diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/evp/encode.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/evp/encode.c | 130 |
1 files changed, 93 insertions, 37 deletions
diff --git a/Cryptlib/OpenSSL/crypto/evp/encode.c b/Cryptlib/OpenSSL/crypto/evp/encode.c index abb10443..c6c775e0 100644 --- a/Cryptlib/OpenSSL/crypto/evp/encode.c +++ b/Cryptlib/OpenSSL/crypto/evp/encode.c @@ -1,17 +1,65 @@ -/* - * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. +/* crypto/evp/encode.c */ +/* 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. * - * Licensed under the OpenSSL license (the "License"). You may not use - * this file except in compliance with the License. You can obtain a copy - * in the file LICENSE in the source distribution or at - * https://www.openssl.org/source/license.html + * 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.] */ #include <stdio.h> #include <limits.h> -#include "internal/cryptlib.h" +#include "cryptlib.h" #include <openssl/evp.h> -#include "evp_locl.h" static unsigned char conv_ascii2bin(unsigned char a); #ifndef CHARSET_EBCDIC @@ -55,7 +103,7 @@ abcdefghijklmnopqrstuvwxyz0123456789+/"; #define B64_WS 0xE0 #define B64_ERROR 0xFF #define B64_NOT_BASE64(a) (((a)|0x13) == 0xF3) -#define B64_BASE64(a) (!B64_NOT_BASE64(a)) +#define B64_BASE64(a) !B64_NOT_BASE64(a) static const unsigned char data_ascii2bin[128] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, @@ -93,28 +141,6 @@ static unsigned char conv_ascii2bin(unsigned char a) } #endif -EVP_ENCODE_CTX *EVP_ENCODE_CTX_new(void) -{ - return OPENSSL_zalloc(sizeof(EVP_ENCODE_CTX)); -} - -void EVP_ENCODE_CTX_free(EVP_ENCODE_CTX *ctx) -{ - OPENSSL_free(ctx); -} - -int EVP_ENCODE_CTX_copy(EVP_ENCODE_CTX *dctx, EVP_ENCODE_CTX *sctx) -{ - memcpy(dctx, sctx, sizeof(EVP_ENCODE_CTX)); - - return 1; -} - -int EVP_ENCODE_CTX_num(EVP_ENCODE_CTX *ctx) -{ - return ctx->num; -} - void EVP_EncodeInit(EVP_ENCODE_CTX *ctx) { ctx->length = 48; @@ -122,7 +148,7 @@ void EVP_EncodeInit(EVP_ENCODE_CTX *ctx) ctx->line_num = 0; } -int EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl, +void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl, const unsigned char *in, int inl) { int i, j; @@ -130,12 +156,12 @@ int EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl, *outl = 0; if (inl <= 0) - return 0; + return; OPENSSL_assert(ctx->length <= (int)sizeof(ctx->enc_data)); if (ctx->length - ctx->num > inl) { memcpy(&(ctx->enc_data[ctx->num]), in, inl); ctx->num += inl; - return 1; + return; } if (ctx->num != 0) { i = ctx->length - ctx->num; @@ -161,14 +187,12 @@ int EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl, if (total > INT_MAX) { /* Too much output data! */ *outl = 0; - return 0; + return; } if (inl != 0) memcpy(&(ctx->enc_data[0]), in, inl); ctx->num = inl; *outl = total; - - return 1; } void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl) @@ -402,3 +426,35 @@ int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl) } else return (1); } + +#ifdef undef +int EVP_DecodeValid(unsigned char *buf, int len) +{ + int i, num = 0, bad = 0; + + if (len == 0) + return (-1); + while (conv_ascii2bin(*buf) == B64_WS) { + buf++; + len--; + if (len == 0) + return (-1); + } + + for (i = len; i >= 4; i -= 4) { + if ((conv_ascii2bin(buf[0]) >= 0x40) || + (conv_ascii2bin(buf[1]) >= 0x40) || + (conv_ascii2bin(buf[2]) >= 0x40) || + (conv_ascii2bin(buf[3]) >= 0x40)) + return (-1); + buf += 4; + num += 1 + (buf[2] != '=') + (buf[3] != '='); + } + if ((i == 1) && (conv_ascii2bin(buf[0]) == B64_EOLN)) + return (num); + if ((i == 2) && (conv_ascii2bin(buf[0]) == B64_EOLN) && + (conv_ascii2bin(buf[0]) == B64_EOLN)) + return (num); + return (1); +} +#endif |