diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/rsa/rsa_lib.c')
-rw-r--r-- | Cryptlib/OpenSSL/crypto/rsa/rsa_lib.c | 393 |
1 files changed, 210 insertions, 183 deletions
diff --git a/Cryptlib/OpenSSL/crypto/rsa/rsa_lib.c b/Cryptlib/OpenSSL/crypto/rsa/rsa_lib.c index 48e9100a..6ea6b40d 100644 --- a/Cryptlib/OpenSSL/crypto/rsa/rsa_lib.c +++ b/Cryptlib/OpenSSL/crypto/rsa/rsa_lib.c @@ -1,19 +1,77 @@ -/* - * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. +/* crypto/rsa/rsa_lib.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. * - * 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 + * 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.] */ #include <stdio.h> #include <openssl/crypto.h> -#include "internal/cryptlib.h" +#include "cryptlib.h" #include <openssl/lhash.h> -#include "internal/bn_int.h" -#include <openssl/engine.h> -#include "rsa_locl.h" +#include <openssl/bn.h> +#include <openssl/rsa.h> +#include <openssl/rand.h> +#ifndef OPENSSL_NO_ENGINE +# include <openssl/engine.h> +#endif + +#ifdef OPENSSL_FIPS +# include <openssl/fips.h> +#endif + +const char RSA_version[] = "RSA" OPENSSL_VERSION_PTEXT; static const RSA_METHOD *default_RSA_meth = NULL; @@ -32,10 +90,17 @@ void RSA_set_default_method(const RSA_METHOD *meth) const RSA_METHOD *RSA_get_default_method(void) { if (default_RSA_meth == NULL) { -#ifdef RSA_NULL - default_RSA_meth = RSA_null_method(); +#ifdef OPENSSL_FIPS + if (FIPS_mode()) + return FIPS_rsa_pkcs1_ssleay(); + else + return RSA_PKCS1_SSLeay(); #else - default_RSA_meth = RSA_PKCS1_OpenSSL(); +# ifdef RSA_NULL + default_RSA_meth = RSA_null_method(); +# else + default_RSA_meth = RSA_PKCS1_SSLeay(); +# endif #endif } @@ -58,8 +123,10 @@ int RSA_set_method(RSA *rsa, const RSA_METHOD *meth) if (mtmp->finish) mtmp->finish(rsa); #ifndef OPENSSL_NO_ENGINE - ENGINE_finish(rsa->engine); - rsa->engine = NULL; + if (rsa->engine) { + ENGINE_finish(rsa->engine); + rsa->engine = NULL; + } #endif rsa->meth = meth; if (meth->init) @@ -69,56 +136,74 @@ int RSA_set_method(RSA *rsa, const RSA_METHOD *meth) RSA *RSA_new_method(ENGINE *engine) { - RSA *ret = OPENSSL_zalloc(sizeof(*ret)); + RSA *ret; + ret = (RSA *)OPENSSL_malloc(sizeof(RSA)); if (ret == NULL) { RSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_MALLOC_FAILURE); return NULL; } - - ret->references = 1; - ret->lock = CRYPTO_THREAD_lock_new(); - if (ret->lock == NULL) { - RSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_MALLOC_FAILURE); - OPENSSL_free(ret); - return NULL; - } + memset(ret,0,sizeof(RSA)); ret->meth = RSA_get_default_method(); #ifndef OPENSSL_NO_ENGINE - ret->flags = ret->meth->flags & ~RSA_FLAG_NON_FIPS_ALLOW; if (engine) { if (!ENGINE_init(engine)) { RSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_ENGINE_LIB); - goto err; + OPENSSL_free(ret); + return NULL; } ret->engine = engine; } else ret->engine = ENGINE_get_default_RSA(); if (ret->engine) { ret->meth = ENGINE_get_RSA(ret->engine); - if (ret->meth == NULL) { + if (!ret->meth) { RSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_ENGINE_LIB); - goto err; + ENGINE_finish(ret->engine); + OPENSSL_free(ret); + return NULL; } } #endif + ret->pad = 0; + ret->version = 0; + ret->n = NULL; + ret->e = NULL; + ret->d = NULL; + ret->p = NULL; + ret->q = NULL; + ret->dmp1 = NULL; + ret->dmq1 = NULL; + ret->iqmp = NULL; + ret->references = 1; + ret->_method_mod_n = NULL; + ret->_method_mod_p = NULL; + ret->_method_mod_q = NULL; + ret->blinding = NULL; + ret->mt_blinding = NULL; + ret->bignum_data = NULL; ret->flags = ret->meth->flags & ~RSA_FLAG_NON_FIPS_ALLOW; if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data)) { - goto err; +#ifndef OPENSSL_NO_ENGINE + if (ret->engine) + ENGINE_finish(ret->engine); +#endif + OPENSSL_free(ret); + return (NULL); } if ((ret->meth->init != NULL) && !ret->meth->init(ret)) { - RSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_INIT_FAIL); - goto err; +#ifndef OPENSSL_NO_ENGINE + if (ret->engine) + ENGINE_finish(ret->engine); +#endif + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data); + OPENSSL_free(ret); + ret = NULL; } - - return ret; - -err: - RSA_free(ret); - return NULL; + return (ret); } void RSA_free(RSA *r) @@ -128,48 +213,75 @@ void RSA_free(RSA *r) if (r == NULL) return; - CRYPTO_atomic_add(&r->references, -1, &i, r->lock); - REF_PRINT_COUNT("RSA", r); + i = CRYPTO_add(&r->references, -1, CRYPTO_LOCK_RSA); +#ifdef REF_PRINT + REF_PRINT("RSA", r); +#endif if (i > 0) return; - REF_ASSERT_ISNT(i < 0); +#ifdef REF_CHECK + if (i < 0) { + fprintf(stderr, "RSA_free, bad reference count\n"); + abort(); + } +#endif if (r->meth->finish) r->meth->finish(r); #ifndef OPENSSL_NO_ENGINE - ENGINE_finish(r->engine); + if (r->engine) + ENGINE_finish(r->engine); #endif CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, r, &r->ex_data); - CRYPTO_THREAD_lock_free(r->lock); - - BN_clear_free(r->n); - BN_clear_free(r->e); - BN_clear_free(r->d); - BN_clear_free(r->p); - BN_clear_free(r->q); - BN_clear_free(r->dmp1); - BN_clear_free(r->dmq1); - BN_clear_free(r->iqmp); - BN_BLINDING_free(r->blinding); - BN_BLINDING_free(r->mt_blinding); - OPENSSL_free(r->bignum_data); + if (r->n != NULL) + BN_clear_free(r->n); + if (r->e != NULL) + BN_clear_free(r->e); + if (r->d != NULL) + BN_clear_free(r->d); + if (r->p != NULL) + BN_clear_free(r->p); + if (r->q != NULL) + BN_clear_free(r->q); + if (r->dmp1 != NULL) + BN_clear_free(r->dmp1); + if (r->dmq1 != NULL) + BN_clear_free(r->dmq1); + if (r->iqmp != NULL) + BN_clear_free(r->iqmp); + if (r->blinding != NULL) + BN_BLINDING_free(r->blinding); + if (r->mt_blinding != NULL) + BN_BLINDING_free(r->mt_blinding); + if (r->bignum_data != NULL) + OPENSSL_free_locked(r->bignum_data); OPENSSL_free(r); } int RSA_up_ref(RSA *r) { - int i; - - if (CRYPTO_atomic_add(&r->references, 1, &i, r->lock) <= 0) - return 0; - - REF_PRINT_COUNT("RSA", r); - REF_ASSERT_ISNT(i < 2); + int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_RSA); +#ifdef REF_PRINT + REF_PRINT("RSA", r); +#endif +#ifdef REF_CHECK + if (i < 2) { + fprintf(stderr, "RSA_up_ref, bad reference count\n"); + abort(); + } +#endif return ((i > 1) ? 1 : 0); } +int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, + CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) +{ + return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_RSA, argl, argp, + new_func, dup_func, free_func); +} + int RSA_set_ex_data(RSA *r, int idx, void *arg) { return (CRYPTO_set_ex_data(&r->ex_data, idx, arg)); @@ -180,131 +292,46 @@ void *RSA_get_ex_data(const RSA *r, int idx) return (CRYPTO_get_ex_data(&r->ex_data, idx)); } -int RSA_security_bits(const RSA *rsa) -{ - return BN_security_bits(BN_num_bits(rsa->n), -1); -} - -int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d) -{ - /* If the fields n and e in r are NULL, the corresponding input - * parameters MUST be non-NULL for n and e. d may be - * left NULL (in case only the public key is used). - */ - if ((r->n == NULL && n == NULL) - || (r->e == NULL && e == NULL)) - return 0; - - if (n != NULL) { - BN_free(r->n); - r->n = n; - } - if (e != NULL) { - BN_free(r->e); - r->e = e; - } - if (d != NULL) { - BN_free(r->d); - r->d = d; - } - - return 1; -} - -int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q) +int RSA_memory_lock(RSA *r) { - /* If the fields p and q in r are NULL, the corresponding input - * parameters MUST be non-NULL. - */ - if ((r->p == NULL && p == NULL) - || (r->q == NULL && q == NULL)) - return 0; - - if (p != NULL) { - BN_free(r->p); - r->p = p; - } - if (q != NULL) { - BN_free(r->q); - r->q = q; - } - - return 1; -} - -int RSA_set0_crt_params(RSA *r, BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp) -{ - /* If the fields dmp1, dmq1 and iqmp in r are NULL, the corresponding input - * parameters MUST be non-NULL. - */ - if ((r->dmp1 == NULL && dmp1 == NULL) - || (r->dmq1 == NULL && dmq1 == NULL) - || (r->iqmp == NULL && iqmp == NULL)) - return 0; - - if (dmp1 != NULL) { - BN_free(r->dmp1); - r->dmp1 = dmp1; + int i, j, k, off; + char *p; + BIGNUM *bn, **t[6], *b; + BN_ULONG *ul; + + if (r->d == NULL) + return (1); + t[0] = &r->d; + t[1] = &r->p; + t[2] = &r->q; + t[3] = &r->dmp1; + t[4] = &r->dmq1; + t[5] = &r->iqmp; + k = sizeof(BIGNUM) * 6; + off = k / sizeof(BN_ULONG) + 1; + j = 1; + for (i = 0; i < 6; i++) + j += (*t[i])->top; + if ((p = OPENSSL_malloc_locked((off + j) * sizeof(BN_ULONG))) == NULL) { + RSAerr(RSA_F_RSA_MEMORY_LOCK, ERR_R_MALLOC_FAILURE); + return (0); } - if (dmq1 != NULL) { - BN_free(r->dmq1); - r->dmq1 = dmq1; + bn = (BIGNUM *)p; + ul = (BN_ULONG *)&(p[off]); + for (i = 0; i < 6; i++) { + b = *(t[i]); + *(t[i]) = &(bn[i]); + memcpy((char *)&(bn[i]), (char *)b, sizeof(BIGNUM)); + bn[i].flags = BN_FLG_STATIC_DATA; + bn[i].d = ul; + memcpy((char *)ul, b->d, sizeof(BN_ULONG) * b->top); + ul += b->top; + BN_clear_free(b); } - if (iqmp != NULL) { - BN_free(r->iqmp); - r->iqmp = iqmp; - } - - return 1; -} - -void RSA_get0_key(const RSA *r, - const BIGNUM **n, const BIGNUM **e, const BIGNUM **d) -{ - if (n != NULL) - *n = r->n; - if (e != NULL) - *e = r->e; - if (d != NULL) - *d = r->d; -} - -void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q) -{ - if (p != NULL) - *p = r->p; - if (q != NULL) - *q = r->q; -} - -void RSA_get0_crt_params(const RSA *r, - const BIGNUM **dmp1, const BIGNUM **dmq1, - const BIGNUM **iqmp) -{ - if (dmp1 != NULL) - *dmp1 = r->dmp1; - if (dmq1 != NULL) - *dmq1 = r->dmq1; - if (iqmp != NULL) - *iqmp = r->iqmp; -} -void RSA_clear_flags(RSA *r, int flags) -{ - r->flags &= ~flags; -} + /* I should fix this so it can still be done */ + r->flags &= ~(RSA_FLAG_CACHE_PRIVATE | RSA_FLAG_CACHE_PUBLIC); -int RSA_test_flags(const RSA *r, int flags) -{ - return r->flags & flags; -} - -void RSA_set_flags(RSA *r, int flags) -{ - r->flags |= flags; -} - -ENGINE *RSA_get0_engine(const RSA *r) -{ - return r->engine; + r->bignum_data = p; + return (1); } |