diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/aes')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/aes/aes_cbc.c | 89 | ||||
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/aes/aes_cfb.c | 187 | ||||
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/aes/aes_core.c | 750 | ||||
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/aes/aes_ctr.c | 94 | ||||
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/aes/aes_ecb.c | 18 | ||||
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/aes/aes_ige.c | 454 | ||||
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/aes/aes_locl.h | 50 | ||||
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/aes/aes_misc.c | 34 | ||||
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/aes/aes_ofb.c | 97 | ||||
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/aes/aes_wrap.c | 213 |
10 files changed, 827 insertions, 1159 deletions
diff --git a/Cryptlib/OpenSSL/crypto/aes/aes_cbc.c b/Cryptlib/OpenSSL/crypto/aes/aes_cbc.c index 373864cd..e39231f1 100644 --- a/Cryptlib/OpenSSL/crypto/aes/aes_cbc.c +++ b/Cryptlib/OpenSSL/crypto/aes/aes_cbc.c @@ -7,7 +7,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -49,85 +49,18 @@ * */ -#ifndef AES_DEBUG -# ifndef NDEBUG -# define NDEBUG -# endif -#endif -#include <assert.h> - #include <openssl/aes.h> -#include "aes_locl.h" +#include <openssl/modes.h> -#if !defined(OPENSSL_FIPS_AES_ASM) void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, - const unsigned long length, const AES_KEY *key, - unsigned char *ivec, const int enc) { - - unsigned long n; - unsigned long len = length; - unsigned char tmp[AES_BLOCK_SIZE]; - const unsigned char *iv = ivec; - - assert(in && out && key && ivec); - assert((AES_ENCRYPT == enc)||(AES_DECRYPT == enc)); + size_t len, const AES_KEY *key, + unsigned char *ivec, const int enc) +{ - if (AES_ENCRYPT == enc) { - while (len >= AES_BLOCK_SIZE) { - for(n=0; n < AES_BLOCK_SIZE; ++n) - out[n] = in[n] ^ iv[n]; - AES_encrypt(out, out, key); - iv = out; - len -= AES_BLOCK_SIZE; - in += AES_BLOCK_SIZE; - out += AES_BLOCK_SIZE; - } - if (len) { - for(n=0; n < len; ++n) - out[n] = in[n] ^ iv[n]; - for(n=len; n < AES_BLOCK_SIZE; ++n) - out[n] = iv[n]; - AES_encrypt(out, out, key); - iv = out; - } - memcpy(ivec,iv,AES_BLOCK_SIZE); - } else if (in != out) { - while (len >= AES_BLOCK_SIZE) { - AES_decrypt(in, out, key); - for(n=0; n < AES_BLOCK_SIZE; ++n) - out[n] ^= iv[n]; - iv = in; - len -= AES_BLOCK_SIZE; - in += AES_BLOCK_SIZE; - out += AES_BLOCK_SIZE; - } - if (len) { - AES_decrypt(in,tmp,key); - for(n=0; n < len; ++n) - out[n] = tmp[n] ^ iv[n]; - iv = in; - } - memcpy(ivec,iv,AES_BLOCK_SIZE); - } else { - while (len >= AES_BLOCK_SIZE) { - memcpy(tmp, in, AES_BLOCK_SIZE); - AES_decrypt(in, out, key); - for(n=0; n < AES_BLOCK_SIZE; ++n) - out[n] ^= ivec[n]; - memcpy(ivec, tmp, AES_BLOCK_SIZE); - len -= AES_BLOCK_SIZE; - in += AES_BLOCK_SIZE; - out += AES_BLOCK_SIZE; - } - if (len) { - memcpy(tmp, in, AES_BLOCK_SIZE); - AES_decrypt(tmp, out, key); - for(n=0; n < len; ++n) - out[n] ^= ivec[n]; - for(n=len; n < AES_BLOCK_SIZE; ++n) - out[n] = tmp[n]; - memcpy(ivec, tmp, AES_BLOCK_SIZE); - } - } + if (enc) + CRYPTO_cbc128_encrypt(in, out, len, key, ivec, + (block128_f) AES_encrypt); + else + CRYPTO_cbc128_decrypt(in, out, len, key, ivec, + (block128_f) AES_decrypt); } -#endif diff --git a/Cryptlib/OpenSSL/crypto/aes/aes_cfb.c b/Cryptlib/OpenSSL/crypto/aes/aes_cfb.c index 9384ba67..1c79ce2d 100644 --- a/Cryptlib/OpenSSL/crypto/aes/aes_cfb.c +++ b/Cryptlib/OpenSSL/crypto/aes/aes_cfb.c @@ -1,13 +1,13 @@ /* crypto/aes/aes_cfb.c -*- mode:C; c-file-style: "eay" -*- */ /* ==================================================================== - * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. + * Copyright (c) 2002-2006 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -48,177 +48,38 @@ * ==================================================================== * */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] - */ - -#ifndef AES_DEBUG -# ifndef NDEBUG -# define NDEBUG -# endif -#endif -#include <assert.h> #include <openssl/aes.h> -#include "aes_locl.h" -#include "e_os.h" +#include <openssl/modes.h> -/* The input and output encrypted as though 128bit cfb mode is being - * used. The extra state information to record how much of the - * 128bit block we have used is contained in *num; +/* + * The input and output encrypted as though 128bit cfb mode is being used. + * The extra state information to record how much of the 128bit block we have + * used is contained in *num; */ void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out, - const unsigned long length, const AES_KEY *key, - unsigned char *ivec, int *num, const int enc) { - - unsigned int n; - unsigned long l = length; - unsigned char c; - - assert(in && out && key && ivec && num); - - n = *num; + size_t length, const AES_KEY *key, + unsigned char *ivec, int *num, const int enc) +{ - if (enc) { - while (l--) { - if (n == 0) { - AES_encrypt(ivec, ivec, key); - } - ivec[n] = *(out++) = *(in++) ^ ivec[n]; - n = (n+1) % AES_BLOCK_SIZE; - } - } else { - while (l--) { - if (n == 0) { - AES_encrypt(ivec, ivec, key); - } - c = *(in); - *(out++) = *(in++) ^ ivec[n]; - ivec[n] = c; - n = (n+1) % AES_BLOCK_SIZE; - } - } - - *num=n; + CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc, + (block128_f) AES_encrypt); } -/* This expects a single block of size nbits for both in and out. Note that - it corrupts any extra bits in the last byte of out */ -void AES_cfbr_encrypt_block(const unsigned char *in,unsigned char *out, - const int nbits,const AES_KEY *key, - unsigned char *ivec,const int enc) - { - int n,rem,num; - unsigned char ovec[AES_BLOCK_SIZE*2]; - - if (nbits<=0 || nbits>128) return; - - /* fill in the first half of the new IV with the current IV */ - memcpy(ovec,ivec,AES_BLOCK_SIZE); - /* construct the new IV */ - AES_encrypt(ivec,ivec,key); - num = (nbits+7)/8; - if (enc) /* encrypt the input */ - for(n=0 ; n < num ; ++n) - out[n] = (ovec[AES_BLOCK_SIZE+n] = in[n] ^ ivec[n]); - else /* decrypt the input */ - for(n=0 ; n < num ; ++n) - out[n] = (ovec[AES_BLOCK_SIZE+n] = in[n]) ^ ivec[n]; - /* shift ovec left... */ - rem = nbits%8; - num = nbits/8; - if(rem==0) - memcpy(ivec,ovec+num,AES_BLOCK_SIZE); - else - for(n=0 ; n < AES_BLOCK_SIZE ; ++n) - ivec[n] = ovec[n+num]<<rem | ovec[n+num+1]>>(8-rem); - - /* it is not necessary to cleanse ovec, since the IV is not secret */ - } - /* N.B. This expects the input to be packed, MS bit first */ void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out, - const unsigned long length, const AES_KEY *key, - unsigned char *ivec, int *num, const int enc) - { - unsigned int n; - unsigned char c[1],d[1]; - - assert(in && out && key && ivec && num); - assert(*num == 0); - - for(n=0 ; n < length ; ++n) - { - c[0]=(in[n/8]&(1 << (7-n%8))) ? 0x80 : 0; - AES_cfbr_encrypt_block(c,d,1,key,ivec,enc); - out[n/8]=(out[n/8]&~(1 << (7-n%8)))|((d[0]&0x80) >> (n%8)); - } - } + size_t length, const AES_KEY *key, + unsigned char *ivec, int *num, const int enc) +{ + CRYPTO_cfb128_1_encrypt(in, out, length, key, ivec, num, enc, + (block128_f) AES_encrypt); +} void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out, - const unsigned long length, const AES_KEY *key, - unsigned char *ivec, int *num, const int enc) - { - unsigned int n; - - assert(in && out && key && ivec && num); - assert(*num == 0); - - for(n=0 ; n < length ; ++n) - AES_cfbr_encrypt_block(&in[n],&out[n],8,key,ivec,enc); - } - + size_t length, const AES_KEY *key, + unsigned char *ivec, int *num, const int enc) +{ + CRYPTO_cfb128_8_encrypt(in, out, length, key, ivec, num, enc, + (block128_f) AES_encrypt); +} diff --git a/Cryptlib/OpenSSL/crypto/aes/aes_core.c b/Cryptlib/OpenSSL/crypto/aes/aes_core.c index cffdd4da..2ddb0860 100644 --- a/Cryptlib/OpenSSL/crypto/aes/aes_core.c +++ b/Cryptlib/OpenSSL/crypto/aes/aes_core.c @@ -37,13 +37,10 @@ #include <stdlib.h> #include <openssl/aes.h> -#ifdef OPENSSL_FIPS -#include <openssl/fips.h> -#endif - #include "aes_locl.h" -/* +#ifndef AES_ASM +/*- Te0[x] = S [x].[02, 01, 01, 03]; Te1[x] = S [x].[03, 02, 01, 01]; Te2[x] = S [x].[01, 03, 02, 01]; @@ -620,238 +617,235 @@ static const u8 Td4[256] = { 0xe1U, 0x69U, 0x14U, 0x63U, 0x55U, 0x21U, 0x0cU, 0x7dU, }; static const u32 rcon[] = { - 0x01000000, 0x02000000, 0x04000000, 0x08000000, - 0x10000000, 0x20000000, 0x40000000, 0x80000000, - 0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */ + 0x01000000, 0x02000000, 0x04000000, 0x08000000, + 0x10000000, 0x20000000, 0x40000000, 0x80000000, + 0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */ }; /** * Expand the cipher key into the encryption key schedule. */ -int AES_set_encrypt_key(const unsigned char *userKey, const int bits, - AES_KEY *key) { +int private_AES_set_encrypt_key(const unsigned char *userKey, const int bits, + AES_KEY *key) +{ - u32 *rk; - int i = 0; - u32 temp; + u32 *rk; + int i = 0; + u32 temp; -#ifdef OPENSSL_FIPS - FIPS_selftest_check(); -#endif - - if (!userKey || !key) - return -1; - if (bits != 128 && bits != 192 && bits != 256) - return -2; + if (!userKey || !key) + return -1; + if (bits != 128 && bits != 192 && bits != 256) + return -2; - rk = key->rd_key; + rk = key->rd_key; - if (bits==128) - key->rounds = 10; - else if (bits==192) - key->rounds = 12; - else - key->rounds = 14; + if (bits==128) + key->rounds = 10; + else if (bits==192) + key->rounds = 12; + else + key->rounds = 14; - rk[0] = GETU32(userKey ); - rk[1] = GETU32(userKey + 4); - rk[2] = GETU32(userKey + 8); - rk[3] = GETU32(userKey + 12); - if (bits == 128) { - while (1) { - temp = rk[3]; - rk[4] = rk[0] ^ - (Te2[(temp >> 16) & 0xff] & 0xff000000) ^ - (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^ - (Te0[(temp ) & 0xff] & 0x0000ff00) ^ - (Te1[(temp >> 24) ] & 0x000000ff) ^ - rcon[i]; - rk[5] = rk[1] ^ rk[4]; - rk[6] = rk[2] ^ rk[5]; - rk[7] = rk[3] ^ rk[6]; - if (++i == 10) { - return 0; - } - rk += 4; - } - } - rk[4] = GETU32(userKey + 16); - rk[5] = GETU32(userKey + 20); - if (bits == 192) { - while (1) { - temp = rk[ 5]; - rk[ 6] = rk[ 0] ^ - (Te2[(temp >> 16) & 0xff] & 0xff000000) ^ - (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^ - (Te0[(temp ) & 0xff] & 0x0000ff00) ^ - (Te1[(temp >> 24) ] & 0x000000ff) ^ - rcon[i]; - rk[ 7] = rk[ 1] ^ rk[ 6]; - rk[ 8] = rk[ 2] ^ rk[ 7]; - rk[ 9] = rk[ 3] ^ rk[ 8]; - if (++i == 8) { - return 0; - } - rk[10] = rk[ 4] ^ rk[ 9]; - rk[11] = rk[ 5] ^ rk[10]; - rk += 6; - } - } - rk[6] = GETU32(userKey + 24); - rk[7] = GETU32(userKey + 28); - if (bits == 256) { - while (1) { - temp = rk[ 7]; - rk[ 8] = rk[ 0] ^ - (Te2[(temp >> 16) & 0xff] & 0xff000000) ^ - (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^ - (Te0[(temp ) & 0xff] & 0x0000ff00) ^ - (Te1[(temp >> 24) ] & 0x000000ff) ^ - rcon[i]; - rk[ 9] = rk[ 1] ^ rk[ 8]; - rk[10] = rk[ 2] ^ rk[ 9]; - rk[11] = rk[ 3] ^ rk[10]; - if (++i == 7) { - return 0; - } - temp = rk[11]; - rk[12] = rk[ 4] ^ - (Te2[(temp >> 24) ] & 0xff000000) ^ - (Te3[(temp >> 16) & 0xff] & 0x00ff0000) ^ - (Te0[(temp >> 8) & 0xff] & 0x0000ff00) ^ - (Te1[(temp ) & 0xff] & 0x000000ff); - rk[13] = rk[ 5] ^ rk[12]; - rk[14] = rk[ 6] ^ rk[13]; - rk[15] = rk[ 7] ^ rk[14]; + rk[0] = GETU32(userKey ); + rk[1] = GETU32(userKey + 4); + rk[2] = GETU32(userKey + 8); + rk[3] = GETU32(userKey + 12); + if (bits == 128) { + while (1) { + temp = rk[3]; + rk[4] = rk[0] ^ + (Te2[(temp >> 16) & 0xff] & 0xff000000) ^ + (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^ + (Te0[(temp ) & 0xff] & 0x0000ff00) ^ + (Te1[(temp >> 24) ] & 0x000000ff) ^ + rcon[i]; + rk[5] = rk[1] ^ rk[4]; + rk[6] = rk[2] ^ rk[5]; + rk[7] = rk[3] ^ rk[6]; + if (++i == 10) { + return 0; + } + rk += 4; + } + } + rk[4] = GETU32(userKey + 16); + rk[5] = GETU32(userKey + 20); + if (bits == 192) { + while (1) { + temp = rk[ 5]; + rk[ 6] = rk[ 0] ^ + (Te2[(temp >> 16) & 0xff] & 0xff000000) ^ + (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^ + (Te0[(temp ) & 0xff] & 0x0000ff00) ^ + (Te1[(temp >> 24) ] & 0x000000ff) ^ + rcon[i]; + rk[ 7] = rk[ 1] ^ rk[ 6]; + rk[ 8] = rk[ 2] ^ rk[ 7]; + rk[ 9] = rk[ 3] ^ rk[ 8]; + if (++i == 8) { + return 0; + } + rk[10] = rk[ 4] ^ rk[ 9]; + rk[11] = rk[ 5] ^ rk[10]; + rk += 6; + } + } + rk[6] = GETU32(userKey + 24); + rk[7] = GETU32(userKey + 28); + if (bits == 256) { + while (1) { + temp = rk[ 7]; + rk[ 8] = rk[ 0] ^ + (Te2[(temp >> 16) & 0xff] & 0xff000000) ^ + (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^ + (Te0[(temp ) & 0xff] & 0x0000ff00) ^ + (Te1[(temp >> 24) ] & 0x000000ff) ^ + rcon[i]; + rk[ 9] = rk[ 1] ^ rk[ 8]; + rk[10] = rk[ 2] ^ rk[ 9]; + rk[11] = rk[ 3] ^ rk[10]; + if (++i == 7) { + return 0; + } + temp = rk[11]; + rk[12] = rk[ 4] ^ + (Te2[(temp >> 24) ] & 0xff000000) ^ + (Te3[(temp >> 16) & 0xff] & 0x00ff0000) ^ + (Te0[(temp >> 8) & 0xff] & 0x0000ff00) ^ + (Te1[(temp ) & 0xff] & 0x000000ff); + rk[13] = rk[ 5] ^ rk[12]; + rk[14] = rk[ 6] ^ rk[13]; + rk[15] = rk[ 7] ^ rk[14]; - rk += 8; - } - } - return 0; + rk += 8; + } + } + return 0; } /** * Expand the cipher key into the decryption key schedule. */ -int AES_set_decrypt_key(const unsigned char *userKey, const int bits, - AES_KEY *key) { +int private_AES_set_decrypt_key(const unsigned char *userKey, const int bits, + AES_KEY *key) +{ - u32 *rk; - int i, j, status; - u32 temp; + u32 *rk; + int i, j, status; + u32 temp; - /* first, start with an encryption schedule */ - status = AES_set_encrypt_key(userKey, bits, key); - if (status < 0) - return status; + /* first, start with an encryption schedule */ + status = private_AES_set_encrypt_key(userKey, bits, key); + if (status < 0) + return status; - rk = key->rd_key; + rk = key->rd_key; - /* invert the order of the round keys: */ - for (i = 0, j = 4*(key->rounds); i < j; i += 4, j -= 4) { - temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp; - temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp; - temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp; - temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp; - } - /* apply the inverse MixColumn transform to all round keys but the first and the last: */ - for (i = 1; i < (key->rounds); i++) { - rk += 4; - rk[0] = - Td0[Te1[(rk[0] >> 24) ] & 0xff] ^ - Td1[Te1[(rk[0] >> 16) & 0xff] & 0xff] ^ - Td2[Te1[(rk[0] >> 8) & 0xff] & 0xff] ^ - Td3[Te1[(rk[0] ) & 0xff] & 0xff]; - rk[1] = - Td0[Te1[(rk[1] >> 24) ] & 0xff] ^ - Td1[Te1[(rk[1] >> 16) & 0xff] & 0xff] ^ - Td2[Te1[(rk[1] >> 8) & 0xff] & 0xff] ^ - Td3[Te1[(rk[1] ) & 0xff] & 0xff]; - rk[2] = - Td0[Te1[(rk[2] >> 24) ] & 0xff] ^ - Td1[Te1[(rk[2] >> 16) & 0xff] & 0xff] ^ - Td2[Te1[(rk[2] >> 8) & 0xff] & 0xff] ^ - Td3[Te1[(rk[2] ) & 0xff] & 0xff]; - rk[3] = - Td0[Te1[(rk[3] >> 24) ] & 0xff] ^ - Td1[Te1[(rk[3] >> 16) & 0xff] & 0xff] ^ - Td2[Te1[(rk[3] >> 8) & 0xff] & 0xff] ^ - Td3[Te1[(rk[3] ) & 0xff] & 0xff]; - } - return 0; + /* invert the order of the round keys: */ + for (i = 0, j = 4*(key->rounds); i < j; i += 4, j -= 4) { + temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp; + temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp; + temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp; + temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp; + } + /* apply the inverse MixColumn transform to all round keys but the first and the last: */ + for (i = 1; i < (key->rounds); i++) { + rk += 4; + rk[0] = + Td0[Te1[(rk[0] >> 24) ] & 0xff] ^ + Td1[Te1[(rk[0] >> 16) & 0xff] & 0xff] ^ + Td2[Te1[(rk[0] >> 8) & 0xff] & 0xff] ^ + Td3[Te1[(rk[0] ) & 0xff] & 0xff]; + rk[1] = + Td0[Te1[(rk[1] >> 24) ] & 0xff] ^ + Td1[Te1[(rk[1] >> 16) & 0xff] & 0xff] ^ + Td2[Te1[(rk[1] >> 8) & 0xff] & 0xff] ^ + Td3[Te1[(rk[1] ) & 0xff] & 0xff]; + rk[2] = + Td0[Te1[(rk[2] >> 24) ] & 0xff] ^ + Td1[Te1[(rk[2] >> 16) & 0xff] & 0xff] ^ + Td2[Te1[(rk[2] >> 8) & 0xff] & 0xff] ^ + Td3[Te1[(rk[2] ) & 0xff] & 0xff]; + rk[3] = + Td0[Te1[(rk[3] >> 24) ] & 0xff] ^ + Td1[Te1[(rk[3] >> 16) & 0xff] & 0xff] ^ + Td2[Te1[(rk[3] >> 8) & 0xff] & 0xff] ^ + Td3[Te1[(rk[3] ) & 0xff] & 0xff]; + } + return 0; } -#ifndef AES_ASM /* * Encrypt a single block * in and out can overlap */ void AES_encrypt(const unsigned char *in, unsigned char *out, - const AES_KEY *key) { + const AES_KEY *key) { - const u32 *rk; - u32 s0, s1, s2, s3, t0, t1, t2, t3; + const u32 *rk; + u32 s0, s1, s2, s3, t0, t1, t2, t3; #ifndef FULL_UNROLL - int r; + int r; #endif /* ?FULL_UNROLL */ - assert(in && out && key); - rk = key->rd_key; + assert(in && out && key); + rk = key->rd_key; - /* - * map byte array block to cipher state - * and add initial round key: - */ - s0 = GETU32(in ) ^ rk[0]; - s1 = GETU32(in + 4) ^ rk[1]; - s2 = GETU32(in + 8) ^ rk[2]; - s3 = GETU32(in + 12) ^ rk[3]; + /* + * map byte array block to cipher state + * and add initial round key: + */ + s0 = GETU32(in ) ^ rk[0]; + s1 = GETU32(in + 4) ^ rk[1]; + s2 = GETU32(in + 8) ^ rk[2]; + s3 = GETU32(in + 12) ^ rk[3]; #ifdef FULL_UNROLL - /* round 1: */ - t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4]; - t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5]; - t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6]; - t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7]; - /* round 2: */ - s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8]; - s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9]; - s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10]; - s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11]; - /* round 3: */ - t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12]; - t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13]; - t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14]; - t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15]; - /* round 4: */ - s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16]; - s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17]; - s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18]; - s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19]; - /* round 5: */ - t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20]; - t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21]; - t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22]; - t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23]; - /* round 6: */ - s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24]; - s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25]; - s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26]; - s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27]; - /* round 7: */ - t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28]; - t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29]; - t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30]; - t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31]; - /* round 8: */ - s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32]; - s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33]; - s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34]; - s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35]; - /* round 9: */ - t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36]; - t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37]; - t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38]; - t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39]; + /* round 1: */ + t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4]; + t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5]; + t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6]; + t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7]; + /* round 2: */ + s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8]; + s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9]; + s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10]; + s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11]; + /* round 3: */ + t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12]; + t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13]; + t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14]; + t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15]; + /* round 4: */ + s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16]; + s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17]; + s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18]; + s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19]; + /* round 5: */ + t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20]; + t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21]; + t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22]; + t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23]; + /* round 6: */ + s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24]; + s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25]; + s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26]; + s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27]; + /* round 7: */ + t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28]; + t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29]; + t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30]; + t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31]; + /* round 8: */ + s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32]; + s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33]; + s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34]; + s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35]; + /* round 9: */ + t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36]; + t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37]; + t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38]; + t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39]; if (key->rounds > 10) { /* round 10: */ s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40]; @@ -940,37 +934,37 @@ void AES_encrypt(const unsigned char *in, unsigned char *out, } #endif /* ?FULL_UNROLL */ /* - * apply last round and - * map cipher state to byte array block: - */ - s0 = - (Te2[(t0 >> 24) ] & 0xff000000) ^ - (Te3[(t1 >> 16) & 0xff] & 0x00ff0000) ^ - (Te0[(t2 >> 8) & 0xff] & 0x0000ff00) ^ - (Te1[(t3 ) & 0xff] & 0x000000ff) ^ - rk[0]; - PUTU32(out , s0); - s1 = - (Te2[(t1 >> 24) ] & 0xff000000) ^ - (Te3[(t2 >> 16) & 0xff] & 0x00ff0000) ^ - (Te0[(t3 >> 8) & 0xff] & 0x0000ff00) ^ - (Te1[(t0 ) & 0xff] & 0x000000ff) ^ - rk[1]; - PUTU32(out + 4, s1); - s2 = - (Te2[(t2 >> 24) ] & 0xff000000) ^ - (Te3[(t3 >> 16) & 0xff] & 0x00ff0000) ^ - (Te0[(t0 >> 8) & 0xff] & 0x0000ff00) ^ - (Te1[(t1 ) & 0xff] & 0x000000ff) ^ - rk[2]; - PUTU32(out + 8, s2); - s3 = - (Te2[(t3 >> 24) ] & 0xff000000) ^ - (Te3[(t0 >> 16) & 0xff] & 0x00ff0000) ^ - (Te0[(t1 >> 8) & 0xff] & 0x0000ff00) ^ - (Te1[(t2 ) & 0xff] & 0x000000ff) ^ - rk[3]; - PUTU32(out + 12, s3); + * apply last round and + * map cipher state to byte array block: + */ + s0 = + (Te2[(t0 >> 24) ] & 0xff000000) ^ + (Te3[(t1 >> 16) & 0xff] & 0x00ff0000) ^ + (Te0[(t2 >> 8) & 0xff] & 0x0000ff00) ^ + (Te1[(t3 ) & 0xff] & 0x000000ff) ^ + rk[0]; + PUTU32(out , s0); + s1 = + (Te2[(t1 >> 24) ] & 0xff000000) ^ + (Te3[(t2 >> 16) & 0xff] & 0x00ff0000) ^ + (Te0[(t3 >> 8) & 0xff] & 0x0000ff00) ^ + (Te1[(t0 ) & 0xff] & 0x000000ff) ^ + rk[1]; + PUTU32(out + 4, s1); + s2 = + (Te2[(t2 >> 24) ] & 0xff000000) ^ + (Te3[(t3 >> 16) & 0xff] & 0x00ff0000) ^ + (Te0[(t0 >> 8) & 0xff] & 0x0000ff00) ^ + (Te1[(t1 ) & 0xff] & 0x000000ff) ^ + rk[2]; + PUTU32(out + 8, s2); + s3 = + (Te2[(t3 >> 24) ] & 0xff000000) ^ + (Te3[(t0 >> 16) & 0xff] & 0x00ff0000) ^ + (Te0[(t1 >> 8) & 0xff] & 0x0000ff00) ^ + (Te1[(t2 ) & 0xff] & 0x000000ff) ^ + rk[3]; + PUTU32(out + 12, s3); } /* @@ -978,21 +972,22 @@ void AES_encrypt(const unsigned char *in, unsigned char *out, * in and out can overlap */ void AES_decrypt(const unsigned char *in, unsigned char *out, - const AES_KEY *key) { + const AES_KEY *key) +{ - const u32 *rk; - u32 s0, s1, s2, s3, t0, t1, t2, t3; + const u32 *rk; + u32 s0, s1, s2, s3, t0, t1, t2, t3; #ifndef FULL_UNROLL - int r; + int r; #endif /* ?FULL_UNROLL */ - assert(in && out && key); - rk = key->rd_key; + assert(in && out && key); + rk = key->rd_key; - /* - * map byte array block to cipher state - * and add initial round key: - */ + /* + * map byte array block to cipher state + * and add initial round key: + */ s0 = GETU32(in ) ^ rk[0]; s1 = GETU32(in + 4) ^ rk[1]; s2 = GETU32(in + 8) ^ rk[2]; @@ -1067,7 +1062,7 @@ void AES_decrypt(const unsigned char *in, unsigned char *out, t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55]; } } - rk += key->rounds << 2; + rk += key->rounds << 2; #else /* !FULL_UNROLL */ /* * Nr - 1 full rounds: @@ -1131,37 +1126,238 @@ void AES_decrypt(const unsigned char *in, unsigned char *out, } #endif /* ?FULL_UNROLL */ /* - * apply last round and - * map cipher state to byte array block: - */ - s0 = - (Td4[(t0 >> 24) ] << 24) ^ - (Td4[(t3 >> 16) & 0xff] << 16) ^ - (Td4[(t2 >> 8) & 0xff] << 8) ^ - (Td4[(t1 ) & 0xff]) ^ - rk[0]; - PUTU32(out , s0); - s1 = - (Td4[(t1 >> 24) ] << 24) ^ - (Td4[(t0 >> 16) & 0xff] << 16) ^ - (Td4[(t3 >> 8) & 0xff] << 8) ^ - (Td4[(t2 ) & 0xff]) ^ - rk[1]; - PUTU32(out + 4, s1); - s2 = - (Td4[(t2 >> 24) ] << 24) ^ - (Td4[(t1 >> 16) & 0xff] << 16) ^ - (Td4[(t0 >> 8) & 0xff] << 8) ^ - (Td4[(t3 ) & 0xff]) ^ - rk[2]; - PUTU32(out + 8, s2); - s3 = - (Td4[(t3 >> 24) ] << 24) ^ - (Td4[(t2 >> 16) & 0xff] << 16) ^ - (Td4[(t1 >> 8) & 0xff] << 8) ^ - (Td4[(t0 ) & 0xff]) ^ - rk[3]; - PUTU32(out + 12, s3); + * apply last round and + * map cipher state to byte array block: + */ + s0 = + ((u32)Td4[(t0 >> 24) ] << 24) ^ + ((u32)Td4[(t3 >> 16) & 0xff] << 16) ^ + ((u32)Td4[(t2 >> 8) & 0xff] << 8) ^ + ((u32)Td4[(t1 ) & 0xff]) ^ + rk[0]; + PUTU32(out , s0); + s1 = + ((u32)Td4[(t1 >> 24) ] << 24) ^ + ((u32)Td4[(t0 >> 16) & 0xff] << 16) ^ + ((u32)Td4[(t3 >> 8) & 0xff] << 8) ^ + ((u32)Td4[(t2 ) & 0xff]) ^ + rk[1]; + PUTU32(out + 4, s1); + s2 = + ((u32)Td4[(t2 >> 24) ] << 24) ^ + ((u32)Td4[(t1 >> 16) & 0xff] << 16) ^ + ((u32)Td4[(t0 >> 8) & 0xff] << 8) ^ + ((u32)Td4[(t3 ) & 0xff]) ^ + rk[2]; + PUTU32(out + 8, s2); + s3 = + ((u32)Td4[(t3 >> 24) ] << 24) ^ + ((u32)Td4[(t2 >> 16) & 0xff] << 16) ^ + ((u32)Td4[(t1 >> 8) & 0xff] << 8) ^ + ((u32)Td4[(t0 ) & 0xff]) ^ + rk[3]; + PUTU32(out + 12, s3); +} + +#else /* AES_ASM */ + +static const u8 Te4[256] = { + 0x63U, 0x7cU, 0x77U, 0x7bU, 0xf2U, 0x6bU, 0x6fU, 0xc5U, + 0x30U, 0x01U, 0x67U, 0x2bU, 0xfeU, 0xd7U, 0xabU, 0x76U, + 0xcaU, 0x82U, 0xc9U, 0x7dU, 0xfaU, 0x59U, 0x47U, 0xf0U, + 0xadU, 0xd4U, 0xa2U, 0xafU, 0x9cU, 0xa4U, 0x72U, 0xc0U, + 0xb7U, 0xfdU, 0x93U, 0x26U, 0x36U, 0x3fU, 0xf7U, 0xccU, + 0x34U, 0xa5U, 0xe5U, 0xf1U, 0x71U, 0xd8U, 0x31U, 0x15U, + 0x04U, 0xc7U, 0x23U, 0xc3U, 0x18U, 0x96U, 0x05U, 0x9aU, + 0x07U, 0x12U, 0x80U, 0xe2U, 0xebU, 0x27U, 0xb2U, 0x75U, + 0x09U, 0x83U, 0x2cU, 0x1aU, 0x1bU, 0x6eU, 0x5aU, 0xa0U, + 0x52U, 0x3bU, 0xd6U, 0xb3U, 0x29U, 0xe3U, 0x2fU, 0x84U, + 0x53U, 0xd1U, 0x00U, 0xedU, 0x20U, 0xfcU, 0xb1U, 0x5bU, + 0x6aU, 0xcbU, 0xbeU, 0x39U, 0x4aU, 0x4cU, 0x58U, 0xcfU, + 0xd0U, 0xefU, 0xaaU, 0xfbU, 0x43U, 0x4dU, 0x33U, 0x85U, + 0x45U, 0xf9U, 0x02U, 0x7fU, 0x50U, 0x3cU, 0x9fU, 0xa8U, + 0x51U, 0xa3U, 0x40U, 0x8fU, 0x92U, 0x9dU, 0x38U, 0xf5U, + 0xbcU, 0xb6U, 0xdaU, 0x21U, 0x10U, 0xffU, 0xf3U, 0xd2U, + 0xcdU, 0x0cU, 0x13U, 0xecU, 0x5fU, 0x97U, 0x44U, 0x17U, + 0xc4U, 0xa7U, 0x7eU, 0x3dU, 0x64U, 0x5dU, 0x19U, 0x73U, + 0x60U, 0x81U, 0x4fU, 0xdcU, 0x22U, 0x2aU, 0x90U, 0x88U, + 0x46U, 0xeeU, 0xb8U, 0x14U, 0xdeU, 0x5eU, 0x0bU, 0xdbU, + 0xe0U, 0x32U, 0x3aU, 0x0aU, 0x49U, 0x06U, 0x24U, 0x5cU, + 0xc2U, 0xd3U, 0xacU, 0x62U, 0x91U, 0x95U, 0xe4U, 0x79U, + 0xe7U, 0xc8U, 0x37U, 0x6dU, 0x8dU, 0xd5U, 0x4eU, 0xa9U, + 0x6cU, 0x56U, 0xf4U, 0xeaU, 0x65U, 0x7aU, 0xaeU, 0x08U, + 0xbaU, 0x78U, 0x25U, 0x2eU, 0x1cU, 0xa6U, 0xb4U, 0xc6U, + 0xe8U, 0xddU, 0x74U, 0x1fU, 0x4bU, 0xbdU, 0x8bU, 0x8aU, + 0x70U, 0x3eU, 0xb5U, 0x66U, 0x48U, 0x03U, 0xf6U, 0x0eU, + 0x61U, 0x35U, 0x57U, 0xb9U, 0x86U, 0xc1U, 0x1dU, 0x9eU, + 0xe1U, 0xf8U, 0x98U, 0x11U, 0x69U, 0xd9U, 0x8eU, 0x94U, + 0x9bU, 0x1eU, 0x87U, 0xe9U, 0xceU, 0x55U, 0x28U, 0xdfU, + 0x8cU, 0xa1U, 0x89U, 0x0dU, 0xbfU, 0xe6U, 0x42U, 0x68U, + 0x41U, 0x99U, 0x2dU, 0x0fU, 0xb0U, 0x54U, 0xbbU, 0x16U +}; +static const u32 rcon[] = { + 0x01000000, 0x02000000, 0x04000000, 0x08000000, + 0x10000000, 0x20000000, 0x40000000, 0x80000000, + 0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */ +}; + +/** + * Expand the cipher key into the encryption key schedule. + */ +int private_AES_set_encrypt_key(const unsigned char *userKey, const int bits, + AES_KEY *key) +{ + u32 *rk; + int i = 0; + u32 temp; + + if (!userKey || !key) + return -1; + if (bits != 128 && bits != 192 && bits != 256) + return -2; + + rk = key->rd_key; + + if (bits==128) + key->rounds = 10; + else if (bits==192) + key->rounds = 12; + else + key->rounds = 14; + + rk[0] = GETU32(userKey ); + rk[1] = GETU32(userKey + 4); + rk[2] = GETU32(userKey + 8); + rk[3] = GETU32(userKey + 12); + if (bits == 128) { + while (1) { + temp = rk[3]; + rk[4] = rk[0] ^ + ((u32)Te4[(temp >> 16) & 0xff] << 24) ^ + ((u32)Te4[(temp >> 8) & 0xff] << 16) ^ + ((u32)Te4[(temp ) & 0xff] << 8) ^ + ((u32)Te4[(temp >> 24) ]) ^ + rcon[i]; + rk[5] = rk[1] ^ rk[4]; + rk[6] = rk[2] ^ rk[5]; + rk[7] = rk[3] ^ rk[6]; + if (++i == 10) { + return 0; + } + rk += 4; + } + } + rk[4] = GETU32(userKey + 16); + rk[5] = GETU32(userKey + 20); + if (bits == 192) { + while (1) { + temp = rk[ 5]; + rk[ 6] = rk[ 0] ^ + ((u32)Te4[(temp >> 16) & 0xff] << 24) ^ + ((u32)Te4[(temp >> 8) & 0xff] << 16) ^ + ((u32)Te4[(temp ) & 0xff] << 8) ^ + ((u32)Te4[(temp >> 24) ]) ^ + rcon[i]; + rk[ 7] = rk[ 1] ^ rk[ 6]; + rk[ 8] = rk[ 2] ^ rk[ 7]; + rk[ 9] = rk[ 3] ^ rk[ 8]; + if (++i == 8) { + return 0; + } + rk[10] = rk[ 4] ^ rk[ 9]; + rk[11] = rk[ 5] ^ rk[10]; + rk += 6; + } + } + rk[6] = GETU32(userKey + 24); + rk[7] = GETU32(userKey + 28); + if (bits == 256) { + while (1) { + temp = rk[ 7]; + rk[ 8] = rk[ 0] ^ + ((u32)Te4[(temp >> 16) & 0xff] << 24) ^ + ((u32)Te4[(temp >> 8) & 0xff] << 16) ^ + ((u32)Te4[(temp ) & 0xff] << 8) ^ + ((u32)Te4[(temp >> 24) ]) ^ + rcon[i]; + rk[ 9] = rk[ 1] ^ rk[ 8]; + rk[10] = rk[ 2] ^ rk[ 9]; + rk[11] = rk[ 3] ^ rk[10]; + if (++i == 7) { + return 0; + } + temp = rk[11]; + rk[12] = rk[ 4] ^ + ((u32)Te4[(temp >> 24) ] << 24) ^ + ((u32)Te4[(temp >> 16) & 0xff] << 16) ^ + ((u32)Te4[(temp >> 8) & 0xff] << 8) ^ + ((u32)Te4[(temp ) & 0xff]); + rk[13] = rk[ 5] ^ rk[12]; + rk[14] = rk[ 6] ^ rk[13]; + rk[15] = rk[ 7] ^ rk[14]; + + rk += 8; + } + } + return 0; +} + +/** + * Expand the cipher key into the decryption key schedule. + */ +int private_AES_set_decrypt_key(const unsigned char *userKey, const int bits, + AES_KEY *key) +{ + + u32 *rk; + int i, j, status; + u32 temp; + + /* first, start with an encryption schedule */ + status = private_AES_set_encrypt_key(userKey, bits, key); + if (status < 0) + return status; + + rk = key->rd_key; + + /* invert the order of the round keys: */ + for (i = 0, j = 4*(key->rounds); i < j; i += 4, j -= 4) { + temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp; + temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp; + temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp; + temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp; + } + /* apply the inverse MixColumn transform to all round keys but the first and the last: */ + for (i = 1; i < (key->rounds); i++) { + rk += 4; + for (j = 0; j < 4; j++) { + u32 tp1, tp2, tp4, tp8, tp9, tpb, tpd, tpe, m; + + tp1 = rk[j]; + m = tp1 & 0x80808080; + tp2 = ((tp1 & 0x7f7f7f7f) << 1) ^ + ((m - (m >> 7)) & 0x1b1b1b1b); + m = tp2 & 0x80808080; + tp4 = ((tp2 & 0x7f7f7f7f) << 1) ^ + ((m - (m >> 7)) & 0x1b1b1b1b); + m = tp4 & 0x80808080; + tp8 = ((tp4 & 0x7f7f7f7f) << 1) ^ + ((m - (m >> 7)) & 0x1b1b1b1b); + tp9 = tp8 ^ tp1; + tpb = tp9 ^ tp2; + tpd = tp9 ^ tp4; + tpe = tp8 ^ tp4 ^ tp2; +#if defined(ROTATE) + rk[j] = tpe ^ ROTATE(tpd,16) ^ + ROTATE(tp9,24) ^ ROTATE(tpb,8); +#else + rk[j] = tpe ^ (tpd >> 16) ^ (tpd << 16) ^ + (tp9 >> 8) ^ (tp9 << 24) ^ + (tpb >> 24) ^ (tpb << 8); +#endif + } + } + return 0; } #endif /* AES_ASM */ diff --git a/Cryptlib/OpenSSL/crypto/aes/aes_ctr.c b/Cryptlib/OpenSSL/crypto/aes/aes_ctr.c index f36982be..3ee38229 100644 --- a/Cryptlib/OpenSSL/crypto/aes/aes_ctr.c +++ b/Cryptlib/OpenSSL/crypto/aes/aes_ctr.c @@ -7,7 +7,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -49,91 +49,15 @@ * */ -#ifndef AES_DEBUG -# ifndef NDEBUG -# define NDEBUG -# endif -#endif -#include <assert.h> - #include <openssl/aes.h> -#include "aes_locl.h" - -/* NOTE: the IV/counter CTR mode is big-endian. The rest of the AES code - * is endian-neutral. */ - -/* increment counter (128-bit int) by 1 */ -static void AES_ctr128_inc(unsigned char *counter) { - unsigned long c; - - /* Grab bottom dword of counter and increment */ - c = GETU32(counter + 12); - c++; c &= 0xFFFFFFFF; - PUTU32(counter + 12, c); - - /* if no overflow, we're done */ - if (c) - return; - - /* Grab 1st dword of counter and increment */ - c = GETU32(counter + 8); - c++; c &= 0xFFFFFFFF; - PUTU32(counter + 8, c); - - /* if no overflow, we're done */ - if (c) - return; - - /* Grab 2nd dword of counter and increment */ - c = GETU32(counter + 4); - c++; c &= 0xFFFFFFFF; - PUTU32(counter + 4, c); - - /* if no overflow, we're done */ - if (c) - return; +#include <openssl/modes.h> - /* Grab top dword of counter and increment */ - c = GETU32(counter + 0); - c++; c &= 0xFFFFFFFF; - PUTU32(counter + 0, c); -} - -/* The input encrypted as though 128bit counter mode is being - * used. The extra state information to record how much of the - * 128bit block we have used is contained in *num, and the - * encrypted counter is kept in ecount_buf. Both *num and - * ecount_buf must be initialised with zeros before the first - * call to AES_ctr128_encrypt(). - * - * This algorithm assumes that the counter is in the x lower bits - * of the IV (ivec), and that the application has full control over - * overflow and the rest of the IV. This implementation takes NO - * responsability for checking that the counter doesn't overflow - * into the rest of the IV when incremented. - */ void AES_ctr128_encrypt(const unsigned char *in, unsigned char *out, - const unsigned long length, const AES_KEY *key, - unsigned char ivec[AES_BLOCK_SIZE], - unsigned char ecount_buf[AES_BLOCK_SIZE], - unsigned int *num) { - - unsigned int n; - unsigned long l=length; - - assert(in && out && key && counter && num); - assert(*num < AES_BLOCK_SIZE); - - n = *num; - - while (l--) { - if (n == 0) { - AES_encrypt(ivec, ecount_buf, key); - AES_ctr128_inc(ivec); - } - *(out++) = *(in++) ^ ecount_buf[n]; - n = (n+1) % AES_BLOCK_SIZE; - } - - *num=n; + size_t length, const AES_KEY *key, + unsigned char ivec[AES_BLOCK_SIZE], + unsigned char ecount_buf[AES_BLOCK_SIZE], + unsigned int *num) +{ + CRYPTO_ctr128_encrypt(in, out, length, key, ivec, ecount_buf, num, + (block128_f) AES_encrypt); } diff --git a/Cryptlib/OpenSSL/crypto/aes/aes_ecb.c b/Cryptlib/OpenSSL/crypto/aes/aes_ecb.c index 28aa561c..2e0d20ca 100644 --- a/Cryptlib/OpenSSL/crypto/aes/aes_ecb.c +++ b/Cryptlib/OpenSSL/crypto/aes/aes_ecb.c @@ -7,7 +7,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -60,14 +60,14 @@ #include "aes_locl.h" void AES_ecb_encrypt(const unsigned char *in, unsigned char *out, - const AES_KEY *key, const int enc) { + const AES_KEY *key, const int enc) +{ - assert(in && out && key); - assert((AES_ENCRYPT == enc)||(AES_DECRYPT == enc)); + assert(in && out && key); + assert((AES_ENCRYPT == enc) || (AES_DECRYPT == enc)); - if (AES_ENCRYPT == enc) - AES_encrypt(in, out, key); - else - AES_decrypt(in, out, key); + if (AES_ENCRYPT == enc) + AES_encrypt(in, out, key); + else + AES_decrypt(in, out, key); } - diff --git a/Cryptlib/OpenSSL/crypto/aes/aes_ige.c b/Cryptlib/OpenSSL/crypto/aes/aes_ige.c index 45d70961..cf31c9bb 100644 --- a/Cryptlib/OpenSSL/crypto/aes/aes_ige.c +++ b/Cryptlib/OpenSSL/crypto/aes/aes_ige.c @@ -7,7 +7,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -56,152 +56,147 @@ #define N_WORDS (AES_BLOCK_SIZE / sizeof(unsigned long)) typedef struct { - unsigned long data[N_WORDS]; + unsigned long data[N_WORDS]; } aes_block_t; /* XXX: probably some better way to do this */ #if defined(__i386__) || defined(__x86_64__) -#define UNALIGNED_MEMOPS_ARE_FAST 1 +# define UNALIGNED_MEMOPS_ARE_FAST 1 #else -#define UNALIGNED_MEMOPS_ARE_FAST 0 +# define UNALIGNED_MEMOPS_ARE_FAST 0 #endif #if UNALIGNED_MEMOPS_ARE_FAST -#define load_block(d, s) (d) = *(const aes_block_t *)(s) -#define store_block(d, s) *(aes_block_t *)(d) = (s) +# define load_block(d, s) (d) = *(const aes_block_t *)(s) +# define store_block(d, s) *(aes_block_t *)(d) = (s) #else -#define load_block(d, s) memcpy((d).data, (s), AES_BLOCK_SIZE) -#define store_block(d, s) memcpy((d), (s).data, AES_BLOCK_SIZE) +# define load_block(d, s) memcpy((d).data, (s), AES_BLOCK_SIZE) +# define store_block(d, s) memcpy((d), (s).data, AES_BLOCK_SIZE) #endif /* N.B. The IV for this mode is _twice_ the block size */ void AES_ige_encrypt(const unsigned char *in, unsigned char *out, - const unsigned long length, const AES_KEY *key, - unsigned char *ivec, const int enc) - { - unsigned long n; - unsigned long len; + size_t length, const AES_KEY *key, + unsigned char *ivec, const int enc) +{ + size_t n; + size_t len = length; - OPENSSL_assert(in && out && key && ivec); - OPENSSL_assert((AES_ENCRYPT == enc)||(AES_DECRYPT == enc)); - OPENSSL_assert((length%AES_BLOCK_SIZE) == 0); + OPENSSL_assert(in && out && key && ivec); + OPENSSL_assert((AES_ENCRYPT == enc) || (AES_DECRYPT == enc)); + OPENSSL_assert((length % AES_BLOCK_SIZE) == 0); - len = length / AES_BLOCK_SIZE; + len = length / AES_BLOCK_SIZE; - if (AES_ENCRYPT == enc) - { - if (in != out && - (UNALIGNED_MEMOPS_ARE_FAST || ((size_t)in|(size_t)out|(size_t)ivec)%sizeof(long)==0)) - { - aes_block_t *ivp = (aes_block_t *)ivec; - aes_block_t *iv2p = (aes_block_t *)(ivec + AES_BLOCK_SIZE); + if (AES_ENCRYPT == enc) { + if (in != out && + (UNALIGNED_MEMOPS_ARE_FAST + || ((size_t)in | (size_t)out | (size_t)ivec) % sizeof(long) == + 0)) { + aes_block_t *ivp = (aes_block_t *) ivec; + aes_block_t *iv2p = (aes_block_t *) (ivec + AES_BLOCK_SIZE); - while (len) - { - aes_block_t *inp = (aes_block_t *)in; - aes_block_t *outp = (aes_block_t *)out; + while (len) { + aes_block_t *inp = (aes_block_t *) in; + aes_block_t *outp = (aes_block_t *) out; - for(n=0 ; n < N_WORDS; ++n) - outp->data[n] = inp->data[n] ^ ivp->data[n]; - AES_encrypt((unsigned char *)outp->data, (unsigned char *)outp->data, key); - for(n=0 ; n < N_WORDS; ++n) - outp->data[n] ^= iv2p->data[n]; - ivp = outp; - iv2p = inp; - --len; - in += AES_BLOCK_SIZE; - out += AES_BLOCK_SIZE; - } - memcpy(ivec, ivp->data, AES_BLOCK_SIZE); - memcpy(ivec + AES_BLOCK_SIZE, iv2p->data, AES_BLOCK_SIZE); - } - else - { - aes_block_t tmp, tmp2; - aes_block_t iv; - aes_block_t iv2; + for (n = 0; n < N_WORDS; ++n) + outp->data[n] = inp->data[n] ^ ivp->data[n]; + AES_encrypt((unsigned char *)outp->data, + (unsigned char *)outp->data, key); + for (n = 0; n < N_WORDS; ++n) + outp->data[n] ^= iv2p->data[n]; + ivp = outp; + iv2p = inp; + --len; + in += AES_BLOCK_SIZE; + out += AES_BLOCK_SIZE; + } + memcpy(ivec, ivp->data, AES_BLOCK_SIZE); + memcpy(ivec + AES_BLOCK_SIZE, iv2p->data, AES_BLOCK_SIZE); + } else { + aes_block_t tmp, tmp2; + aes_block_t iv; + aes_block_t iv2; - load_block(iv, ivec); - load_block(iv2, ivec + AES_BLOCK_SIZE); + load_block(iv, ivec); + load_block(iv2, ivec + AES_BLOCK_SIZE); - while (len) - { - load_block(tmp, in); - for(n=0 ; n < N_WORDS; ++n) - tmp2.data[n] = tmp.data[n] ^ iv.data[n]; - AES_encrypt((unsigned char *)tmp2.data, (unsigned char *)tmp2.data, key); - for(n=0 ; n < N_WORDS; ++n) - tmp2.data[n] ^= iv2.data[n]; - store_block(out, tmp2); - iv = tmp2; - iv2 = tmp; - --len; - in += AES_BLOCK_SIZE; - out += AES_BLOCK_SIZE; - } - memcpy(ivec, iv.data, AES_BLOCK_SIZE); - memcpy(ivec + AES_BLOCK_SIZE, iv2.data, AES_BLOCK_SIZE); - } - } - else - { - if (in != out && - (UNALIGNED_MEMOPS_ARE_FAST || ((size_t)in|(size_t)out|(size_t)ivec)%sizeof(long)==0)) - { - aes_block_t *ivp = (aes_block_t *)ivec; - aes_block_t *iv2p = (aes_block_t *)(ivec + AES_BLOCK_SIZE); + while (len) { + load_block(tmp, in); + for (n = 0; n < N_WORDS; ++n) + tmp2.data[n] = tmp.data[n] ^ iv.data[n]; + AES_encrypt((unsigned char *)tmp2.data, + (unsigned char *)tmp2.data, key); + for (n = 0; n < N_WORDS; ++n) + tmp2.data[n] ^= iv2.data[n]; + store_block(out, tmp2); + iv = tmp2; + iv2 = tmp; + --len; + in += AES_BLOCK_SIZE; + out += AES_BLOCK_SIZE; + } + memcpy(ivec, iv.data, AES_BLOCK_SIZE); + memcpy(ivec + AES_BLOCK_SIZE, iv2.data, AES_BLOCK_SIZE); + } + } else { + if (in != out && + (UNALIGNED_MEMOPS_ARE_FAST + || ((size_t)in | (size_t)out | (size_t)ivec) % sizeof(long) == + 0)) { + aes_block_t *ivp = (aes_block_t *) ivec; + aes_block_t *iv2p = (aes_block_t *) (ivec + AES_BLOCK_SIZE); - while (len) - { - aes_block_t tmp; - aes_block_t *inp = (aes_block_t *)in; - aes_block_t *outp = (aes_block_t *)out; + while (len) { + aes_block_t tmp; + aes_block_t *inp = (aes_block_t *) in; + aes_block_t *outp = (aes_block_t *) out; - for(n=0 ; n < N_WORDS; ++n) - tmp.data[n] = inp->data[n] ^ iv2p->data[n]; - AES_decrypt((unsigned char *)tmp.data, (unsigned char *)outp->data, key); - for(n=0 ; n < N_WORDS; ++n) - outp->data[n] ^= ivp->data[n]; - ivp = inp; - iv2p = outp; - --len; - in += AES_BLOCK_SIZE; - out += AES_BLOCK_SIZE; - } - memcpy(ivec, ivp->data, AES_BLOCK_SIZE); - memcpy(ivec + AES_BLOCK_SIZE, iv2p->data, AES_BLOCK_SIZE); - } - else - { - aes_block_t tmp, tmp2; - aes_block_t iv; - aes_block_t iv2; + for (n = 0; n < N_WORDS; ++n) + tmp.data[n] = inp->data[n] ^ iv2p->data[n]; + AES_decrypt((unsigned char *)tmp.data, + (unsigned char *)outp->data, key); + for (n = 0; n < N_WORDS; ++n) + outp->data[n] ^= ivp->data[n]; + ivp = inp; + iv2p = outp; + --len; + in += AES_BLOCK_SIZE; + out += AES_BLOCK_SIZE; + } + memcpy(ivec, ivp->data, AES_BLOCK_SIZE); + memcpy(ivec + AES_BLOCK_SIZE, iv2p->data, AES_BLOCK_SIZE); + } else { + aes_block_t tmp, tmp2; + aes_block_t iv; + aes_block_t iv2; - load_block(iv, ivec); - load_block(iv2, ivec + AES_BLOCK_SIZE); + load_block(iv, ivec); + load_block(iv2, ivec + AES_BLOCK_SIZE); - while (len) - { - load_block(tmp, in); - tmp2 = tmp; - for(n=0 ; n < N_WORDS; ++n) - tmp.data[n] ^= iv2.data[n]; - AES_decrypt((unsigned char *)tmp.data, (unsigned char *)tmp.data, key); - for(n=0 ; n < N_WORDS; ++n) - tmp.data[n] ^= iv.data[n]; - store_block(out, tmp); - iv = tmp2; - iv2 = tmp; - --len; - in += AES_BLOCK_SIZE; - out += AES_BLOCK_SIZE; - } - memcpy(ivec, iv.data, AES_BLOCK_SIZE); - memcpy(ivec + AES_BLOCK_SIZE, iv2.data, AES_BLOCK_SIZE); - } - } - } + while (len) { + load_block(tmp, in); + tmp2 = tmp; + for (n = 0; n < N_WORDS; ++n) + tmp.data[n] ^= iv2.data[n]; + AES_decrypt((unsigned char *)tmp.data, + (unsigned char *)tmp.data, key); + for (n = 0; n < N_WORDS; ++n) + tmp.data[n] ^= iv.data[n]; + store_block(out, tmp); + iv = tmp2; + iv2 = tmp; + --len; + in += AES_BLOCK_SIZE; + out += AES_BLOCK_SIZE; + } + memcpy(ivec, iv.data, AES_BLOCK_SIZE); + memcpy(ivec + AES_BLOCK_SIZE, iv2.data, AES_BLOCK_SIZE); + } + } +} /* * Note that its effectively impossible to do biIGE in anything other @@ -211,113 +206,118 @@ void AES_ige_encrypt(const unsigned char *in, unsigned char *out, /* N.B. The IV for this mode is _four times_ the block size */ void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out, - const unsigned long length, const AES_KEY *key, - const AES_KEY *key2, const unsigned char *ivec, - const int enc) - { - unsigned long n; - unsigned long len = length; - unsigned char tmp[AES_BLOCK_SIZE]; - unsigned char tmp2[AES_BLOCK_SIZE]; - unsigned char tmp3[AES_BLOCK_SIZE]; - unsigned char prev[AES_BLOCK_SIZE]; - const unsigned char *iv; - const unsigned char *iv2; + size_t length, const AES_KEY *key, + const AES_KEY *key2, const unsigned char *ivec, + const int enc) +{ + size_t n; + size_t len = length; + unsigned char tmp[AES_BLOCK_SIZE]; + unsigned char tmp2[AES_BLOCK_SIZE]; + unsigned char tmp3[AES_BLOCK_SIZE]; + unsigned char prev[AES_BLOCK_SIZE]; + const unsigned char *iv; + const unsigned char *iv2; - OPENSSL_assert(in && out && key && ivec); - OPENSSL_assert((AES_ENCRYPT == enc)||(AES_DECRYPT == enc)); - OPENSSL_assert((length%AES_BLOCK_SIZE) == 0); + OPENSSL_assert(in && out && key && ivec); + OPENSSL_assert((AES_ENCRYPT == enc) || (AES_DECRYPT == enc)); + OPENSSL_assert((length % AES_BLOCK_SIZE) == 0); - if (AES_ENCRYPT == enc) - { - /* XXX: Do a separate case for when in != out (strictly should - check for overlap, too) */ + if (AES_ENCRYPT == enc) { + /* + * XXX: Do a separate case for when in != out (strictly should check + * for overlap, too) + */ - /* First the forward pass */ - iv = ivec; - iv2 = ivec + AES_BLOCK_SIZE; - while (len >= AES_BLOCK_SIZE) - { - for(n=0 ; n < AES_BLOCK_SIZE ; ++n) - out[n] = in[n] ^ iv[n]; - AES_encrypt(out, out, key); - for(n=0 ; n < AES_BLOCK_SIZE ; ++n) - out[n] ^= iv2[n]; - iv = out; - memcpy(prev, in, AES_BLOCK_SIZE); - iv2 = prev; - len -= AES_BLOCK_SIZE; - in += AES_BLOCK_SIZE; - out += AES_BLOCK_SIZE; - } + /* First the forward pass */ + iv = ivec; + iv2 = ivec + AES_BLOCK_SIZE; + while (len >= AES_BLOCK_SIZE) { + for (n = 0; n < AES_BLOCK_SIZE; ++n) + out[n] = in[n] ^ iv[n]; + AES_encrypt(out, out, key); + for (n = 0; n < AES_BLOCK_SIZE; ++n) + out[n] ^= iv2[n]; + iv = out; + memcpy(prev, in, AES_BLOCK_SIZE); + iv2 = prev; + len -= AES_BLOCK_SIZE; + in += AES_BLOCK_SIZE; + out += AES_BLOCK_SIZE; + } - /* And now backwards */ - iv = ivec + AES_BLOCK_SIZE*2; - iv2 = ivec + AES_BLOCK_SIZE*3; - len = length; - while(len >= AES_BLOCK_SIZE) - { - out -= AES_BLOCK_SIZE; - /* XXX: reduce copies by alternating between buffers */ - memcpy(tmp, out, AES_BLOCK_SIZE); - for(n=0 ; n < AES_BLOCK_SIZE ; ++n) - out[n] ^= iv[n]; - /* hexdump(stdout, "out ^ iv", out, AES_BLOCK_SIZE); */ - AES_encrypt(out, out, key); - /* hexdump(stdout,"enc", out, AES_BLOCK_SIZE); */ - /* hexdump(stdout,"iv2", iv2, AES_BLOCK_SIZE); */ - for(n=0 ; n < AES_BLOCK_SIZE ; ++n) - out[n] ^= iv2[n]; - /* hexdump(stdout,"out", out, AES_BLOCK_SIZE); */ - iv = out; - memcpy(prev, tmp, AES_BLOCK_SIZE); - iv2 = prev; - len -= AES_BLOCK_SIZE; - } - } - else - { - /* First backwards */ - iv = ivec + AES_BLOCK_SIZE*2; - iv2 = ivec + AES_BLOCK_SIZE*3; - in += length; - out += length; - while (len >= AES_BLOCK_SIZE) - { - in -= AES_BLOCK_SIZE; - out -= AES_BLOCK_SIZE; - memcpy(tmp, in, AES_BLOCK_SIZE); - memcpy(tmp2, in, AES_BLOCK_SIZE); - for(n=0 ; n < AES_BLOCK_SIZE ; ++n) - tmp[n] ^= iv2[n]; - AES_decrypt(tmp, out, key); - for(n=0 ; n < AES_BLOCK_SIZE ; ++n) - out[n] ^= iv[n]; - memcpy(tmp3, tmp2, AES_BLOCK_SIZE); - iv = tmp3; - iv2 = out; - len -= AES_BLOCK_SIZE; - } + /* And now backwards */ + iv = ivec + AES_BLOCK_SIZE * 2; + iv2 = ivec + AES_BLOCK_SIZE * 3; + len = length; + while (len >= AES_BLOCK_SIZE) { + out -= AES_BLOCK_SIZE; + /* + * XXX: reduce copies by alternating between buffers + */ + memcpy(tmp, out, AES_BLOCK_SIZE); + for (n = 0; n < AES_BLOCK_SIZE; ++n) + out[n] ^= iv[n]; + /* + * hexdump(stdout, "out ^ iv", out, AES_BLOCK_SIZE); + */ + AES_encrypt(out, out, key); + /* + * hexdump(stdout,"enc", out, AES_BLOCK_SIZE); + */ + /* + * hexdump(stdout,"iv2", iv2, AES_BLOCK_SIZE); + */ + for (n = 0; n < AES_BLOCK_SIZE; ++n) + out[n] ^= iv2[n]; + /* + * hexdump(stdout,"out", out, AES_BLOCK_SIZE); + */ + iv = out; + memcpy(prev, tmp, AES_BLOCK_SIZE); + iv2 = prev; + len -= AES_BLOCK_SIZE; + } + } else { + /* First backwards */ + iv = ivec + AES_BLOCK_SIZE * 2; + iv2 = ivec + AES_BLOCK_SIZE * 3; + in += length; + out += length; + while (len >= AES_BLOCK_SIZE) { + in -= AES_BLOCK_SIZE; + out -= AES_BLOCK_SIZE; + memcpy(tmp, in, AES_BLOCK_SIZE); + memcpy(tmp2, in, AES_BLOCK_SIZE); + for (n = 0; n < AES_BLOCK_SIZE; ++n) + tmp[n] ^= iv2[n]; + AES_decrypt(tmp, out, key); + for (n = 0; n < AES_BLOCK_SIZE; ++n) + out[n] ^= iv[n]; + memcpy(tmp3, tmp2, AES_BLOCK_SIZE); + iv = tmp3; + iv2 = out; + len -= AES_BLOCK_SIZE; + } - /* And now forwards */ - iv = ivec; - iv2 = ivec + AES_BLOCK_SIZE; - len = length; - while (len >= AES_BLOCK_SIZE) - { - memcpy(tmp, out, AES_BLOCK_SIZE); - memcpy(tmp2, out, AES_BLOCK_SIZE); - for(n=0 ; n < AES_BLOCK_SIZE ; ++n) - tmp[n] ^= iv2[n]; - AES_decrypt(tmp, out, key); - for(n=0 ; n < AES_BLOCK_SIZE ; ++n) - out[n] ^= iv[n]; - memcpy(tmp3, tmp2, AES_BLOCK_SIZE); - iv = tmp3; - iv2 = out; - len -= AES_BLOCK_SIZE; - in += AES_BLOCK_SIZE; - out += AES_BLOCK_SIZE; - } - } - } + /* And now forwards */ + iv = ivec; + iv2 = ivec + AES_BLOCK_SIZE; + len = length; + while (len >= AES_BLOCK_SIZE) { + memcpy(tmp, out, AES_BLOCK_SIZE); + memcpy(tmp2, out, AES_BLOCK_SIZE); + for (n = 0; n < AES_BLOCK_SIZE; ++n) + tmp[n] ^= iv2[n]; + AES_decrypt(tmp, out, key); + for (n = 0; n < AES_BLOCK_SIZE; ++n) + out[n] ^= iv[n]; + memcpy(tmp3, tmp2, AES_BLOCK_SIZE); + iv = tmp3; + iv2 = out; + len -= AES_BLOCK_SIZE; + in += AES_BLOCK_SIZE; + out += AES_BLOCK_SIZE; + } + } +} diff --git a/Cryptlib/OpenSSL/crypto/aes/aes_locl.h b/Cryptlib/OpenSSL/crypto/aes/aes_locl.h index 054b442d..fabfd02a 100644 --- a/Cryptlib/OpenSSL/crypto/aes/aes_locl.h +++ b/Cryptlib/OpenSSL/crypto/aes/aes_locl.h @@ -7,7 +7,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -50,40 +50,40 @@ */ #ifndef HEADER_AES_LOCL_H -#define HEADER_AES_LOCL_H +# define HEADER_AES_LOCL_H -#include <openssl/e_os2.h> +# include <openssl/e_os2.h> -#ifdef OPENSSL_NO_AES -#error AES is disabled. -#endif +# ifdef OPENSSL_NO_AES +# error AES is disabled. +# endif -#include <stdio.h> -#include <stdlib.h> -#include <string.h> +# include <stdio.h> +# include <stdlib.h> +# include <string.h> -#if defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64)) -# define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00) -# define GETU32(p) SWAP(*((u32 *)(p))) -# define PUTU32(ct, st) { *((u32 *)(ct)) = SWAP((st)); } -#else -# define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] << 8) ^ ((u32)(pt)[3])) -# define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >> 8); (ct)[3] = (u8)(st); } -#endif +# if defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64)) +# define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00) +# define GETU32(p) SWAP(*((u32 *)(p))) +# define PUTU32(ct, st) { *((u32 *)(ct)) = SWAP((st)); } +# else +# define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] << 8) ^ ((u32)(pt)[3])) +# define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >> 8); (ct)[3] = (u8)(st); } +# endif -#ifdef AES_LONG +# ifdef AES_LONG typedef unsigned long u32; -#else +# else typedef unsigned int u32; -#endif +# endif typedef unsigned short u16; typedef unsigned char u8; -#define MAXKC (256/32) -#define MAXKB (256/8) -#define MAXNR 14 +# define MAXKC (256/32) +# define MAXKB (256/8) +# define MAXNR 14 /* This controls loop-unrolling in aes_core.c */ -#undef FULL_UNROLL +# undef FULL_UNROLL -#endif /* !HEADER_AES_LOCL_H */ +#endif /* !HEADER_AES_LOCL_H */ diff --git a/Cryptlib/OpenSSL/crypto/aes/aes_misc.c b/Cryptlib/OpenSSL/crypto/aes/aes_misc.c index 4fead1b4..ab948ad8 100644 --- a/Cryptlib/OpenSSL/crypto/aes/aes_misc.c +++ b/Cryptlib/OpenSSL/crypto/aes/aes_misc.c @@ -7,7 +7,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -50,15 +50,37 @@ */ #include <openssl/opensslv.h> +#include <openssl/crypto.h> #include <openssl/aes.h> #include "aes_locl.h" -const char AES_version[]="AES" OPENSSL_VERSION_PTEXT; +const char AES_version[] = "AES" OPENSSL_VERSION_PTEXT; -const char *AES_options(void) { +const char *AES_options(void) +{ #ifdef FULL_UNROLL - return "aes(full)"; -#else - return "aes(partial)"; + return "aes(full)"; +#else + return "aes(partial)"; #endif } + +/* FIPS wrapper functions to block low level AES calls in FIPS mode */ + +int AES_set_encrypt_key(const unsigned char *userKey, const int bits, + AES_KEY *key) +{ +#ifdef OPENSSL_FIPS + fips_cipher_abort(AES); +#endif + return private_AES_set_encrypt_key(userKey, bits, key); +} + +int AES_set_decrypt_key(const unsigned char *userKey, const int bits, + AES_KEY *key) +{ +#ifdef OPENSSL_FIPS + fips_cipher_abort(AES); +#endif + return private_AES_set_decrypt_key(userKey, bits, key); +} diff --git a/Cryptlib/OpenSSL/crypto/aes/aes_ofb.c b/Cryptlib/OpenSSL/crypto/aes/aes_ofb.c index f358bb39..e6153f99 100644 --- a/Cryptlib/OpenSSL/crypto/aes/aes_ofb.c +++ b/Cryptlib/OpenSSL/crypto/aes/aes_ofb.c @@ -1,13 +1,13 @@ /* crypto/aes/aes_ofb.c -*- mode:C; c-file-style: "eay" -*- */ /* ==================================================================== - * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. + * Copyright (c) 2002-2006 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -48,95 +48,14 @@ * ==================================================================== * */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] - */ - -#ifndef AES_DEBUG -# ifndef NDEBUG -# define NDEBUG -# endif -#endif -#include <assert.h> #include <openssl/aes.h> -#include "aes_locl.h" +#include <openssl/modes.h> -/* The input and output encrypted as though 128bit ofb mode is being - * used. The extra state information to record how much of the - * 128bit block we have used is contained in *num; - */ void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out, - const unsigned long length, const AES_KEY *key, - unsigned char *ivec, int *num) { - - unsigned int n; - unsigned long l=length; - - assert(in && out && key && ivec && num); - - n = *num; - - while (l--) { - if (n == 0) { - AES_encrypt(ivec, ivec, key); - } - *(out++) = *(in++) ^ ivec[n]; - n = (n+1) % AES_BLOCK_SIZE; - } - - *num=n; + size_t length, const AES_KEY *key, + unsigned char *ivec, int *num) +{ + CRYPTO_ofb128_encrypt(in, out, length, key, ivec, num, + (block128_f) AES_encrypt); } diff --git a/Cryptlib/OpenSSL/crypto/aes/aes_wrap.c b/Cryptlib/OpenSSL/crypto/aes/aes_wrap.c index e2d73d37..b7b64d57 100644 --- a/Cryptlib/OpenSSL/crypto/aes/aes_wrap.c +++ b/Cryptlib/OpenSSL/crypto/aes/aes_wrap.c @@ -1,5 +1,6 @@ /* crypto/aes/aes_wrap.c */ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL +/* + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL * project. */ /* ==================================================================== @@ -10,7 +11,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -53,207 +54,19 @@ #include "cryptlib.h" #include <openssl/aes.h> -#include <openssl/bio.h> - -static const unsigned char default_iv[] = { - 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, -}; +#include <openssl/modes.h> int AES_wrap_key(AES_KEY *key, const unsigned char *iv, - unsigned char *out, - const unsigned char *in, unsigned int inlen) - { - unsigned char *A, B[16], *R; - unsigned int i, j, t; - if ((inlen & 0x7) || (inlen < 8)) - return -1; - A = B; - t = 1; - memcpy(out + 8, in, inlen); - if (!iv) - iv = default_iv; - - memcpy(A, iv, 8); - - for (j = 0; j < 6; j++) - { - R = out + 8; - for (i = 0; i < inlen; i += 8, t++, R += 8) - { - memcpy(B + 8, R, 8); - AES_encrypt(B, B, key); - A[7] ^= (unsigned char)(t & 0xff); - if (t > 0xff) - { - A[6] ^= (unsigned char)((t >> 8) & 0xff); - A[5] ^= (unsigned char)((t >> 16) & 0xff); - A[4] ^= (unsigned char)((t >> 24) & 0xff); - } - memcpy(R, B + 8, 8); - } - } - memcpy(out, A, 8); - return inlen + 8; - } + unsigned char *out, + const unsigned char *in, unsigned int inlen) +{ + return CRYPTO_128_wrap(key, iv, out, in, inlen, (block128_f) AES_encrypt); +} int AES_unwrap_key(AES_KEY *key, const unsigned char *iv, - unsigned char *out, - const unsigned char *in, unsigned int inlen) - { - unsigned char *A, B[16], *R; - unsigned int i, j, t; - inlen -= 8; - if (inlen & 0x7) - return -1; - if (inlen < 8) - return -1; - A = B; - t = 6 * (inlen >> 3); - memcpy(A, in, 8); - memcpy(out, in + 8, inlen); - for (j = 0; j < 6; j++) - { - R = out + inlen - 8; - for (i = 0; i < inlen; i += 8, t--, R -= 8) - { - A[7] ^= (unsigned char)(t & 0xff); - if (t > 0xff) - { - A[6] ^= (unsigned char)((t >> 8) & 0xff); - A[5] ^= (unsigned char)((t >> 16) & 0xff); - A[4] ^= (unsigned char)((t >> 24) & 0xff); - } - memcpy(B + 8, R, 8); - AES_decrypt(B, B, key); - memcpy(R, B + 8, 8); - } - } - if (!iv) - iv = default_iv; - if (memcmp(A, iv, 8)) - { - OPENSSL_cleanse(out, inlen); - return 0; - } - return inlen; - } - -#ifdef AES_WRAP_TEST - -int AES_wrap_unwrap_test(const unsigned char *kek, int keybits, - const unsigned char *iv, - const unsigned char *eout, - const unsigned char *key, int keylen) - { - unsigned char *otmp = NULL, *ptmp = NULL; - int r, ret = 0; - AES_KEY wctx; - otmp = OPENSSL_malloc(keylen + 8); - ptmp = OPENSSL_malloc(keylen); - if (!otmp || !ptmp) - return 0; - if (AES_set_encrypt_key(kek, keybits, &wctx)) - goto err; - r = AES_wrap_key(&wctx, iv, otmp, key, keylen); - if (r <= 0) - goto err; - - if (eout && memcmp(eout, otmp, keylen)) - goto err; - - if (AES_set_decrypt_key(kek, keybits, &wctx)) - goto err; - r = AES_unwrap_key(&wctx, iv, ptmp, otmp, r); - - if (memcmp(key, ptmp, keylen)) - goto err; - - ret = 1; - - err: - if (otmp) - OPENSSL_free(otmp); - if (ptmp) - OPENSSL_free(ptmp); - - return ret; - - } - - - -int main(int argc, char **argv) + unsigned char *out, + const unsigned char *in, unsigned int inlen) { - -static const unsigned char kek[] = { - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, - 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f -}; - -static const unsigned char key[] = { - 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, - 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f -}; - -static const unsigned char e1[] = { - 0x1f, 0xa6, 0x8b, 0x0a, 0x81, 0x12, 0xb4, 0x47, - 0xae, 0xf3, 0x4b, 0xd8, 0xfb, 0x5a, 0x7b, 0x82, - 0x9d, 0x3e, 0x86, 0x23, 0x71, 0xd2, 0xcf, 0xe5 -}; - -static const unsigned char e2[] = { - 0x96, 0x77, 0x8b, 0x25, 0xae, 0x6c, 0xa4, 0x35, - 0xf9, 0x2b, 0x5b, 0x97, 0xc0, 0x50, 0xae, 0xd2, - 0x46, 0x8a, 0xb8, 0xa1, 0x7a, 0xd8, 0x4e, 0x5d -}; - -static const unsigned char e3[] = { - 0x64, 0xe8, 0xc3, 0xf9, 0xce, 0x0f, 0x5b, 0xa2, - 0x63, 0xe9, 0x77, 0x79, 0x05, 0x81, 0x8a, 0x2a, - 0x93, 0xc8, 0x19, 0x1e, 0x7d, 0x6e, 0x8a, 0xe7 -}; - -static const unsigned char e4[] = { - 0x03, 0x1d, 0x33, 0x26, 0x4e, 0x15, 0xd3, 0x32, - 0x68, 0xf2, 0x4e, 0xc2, 0x60, 0x74, 0x3e, 0xdc, - 0xe1, 0xc6, 0xc7, 0xdd, 0xee, 0x72, 0x5a, 0x93, - 0x6b, 0xa8, 0x14, 0x91, 0x5c, 0x67, 0x62, 0xd2 -}; - -static const unsigned char e5[] = { - 0xa8, 0xf9, 0xbc, 0x16, 0x12, 0xc6, 0x8b, 0x3f, - 0xf6, 0xe6, 0xf4, 0xfb, 0xe3, 0x0e, 0x71, 0xe4, - 0x76, 0x9c, 0x8b, 0x80, 0xa3, 0x2c, 0xb8, 0x95, - 0x8c, 0xd5, 0xd1, 0x7d, 0x6b, 0x25, 0x4d, 0xa1 -}; - -static const unsigned char e6[] = { - 0x28, 0xc9, 0xf4, 0x04, 0xc4, 0xb8, 0x10, 0xf4, - 0xcb, 0xcc, 0xb3, 0x5c, 0xfb, 0x87, 0xf8, 0x26, - 0x3f, 0x57, 0x86, 0xe2, 0xd8, 0x0e, 0xd3, 0x26, - 0xcb, 0xc7, 0xf0, 0xe7, 0x1a, 0x99, 0xf4, 0x3b, - 0xfb, 0x98, 0x8b, 0x9b, 0x7a, 0x02, 0xdd, 0x21 -}; - - AES_KEY wctx, xctx; - int ret; - ret = AES_wrap_unwrap_test(kek, 128, NULL, e1, key, 16); - fprintf(stderr, "Key test result %d\n", ret); - ret = AES_wrap_unwrap_test(kek, 192, NULL, e2, key, 16); - fprintf(stderr, "Key test result %d\n", ret); - ret = AES_wrap_unwrap_test(kek, 256, NULL, e3, key, 16); - fprintf(stderr, "Key test result %d\n", ret); - ret = AES_wrap_unwrap_test(kek, 192, NULL, e4, key, 24); - fprintf(stderr, "Key test result %d\n", ret); - ret = AES_wrap_unwrap_test(kek, 256, NULL, e5, key, 24); - fprintf(stderr, "Key test result %d\n", ret); - ret = AES_wrap_unwrap_test(kek, 256, NULL, e6, key, 32); - fprintf(stderr, "Key test result %d\n", ret); + return CRYPTO_128_unwrap(key, iv, out, in, inlen, + (block128_f) AES_decrypt); } - - -#endif |
