diff options
Diffstat (limited to 'openssl/crypto/evp/m_sigver.c')
| -rw-r--r-- | openssl/crypto/evp/m_sigver.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/openssl/crypto/evp/m_sigver.c b/openssl/crypto/evp/m_sigver.c deleted file mode 100644 index 7e2731f4..00000000 --- a/openssl/crypto/evp/m_sigver.c +++ /dev/null @@ -1,200 +0,0 @@ -/* m_sigver.c */ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project 2006. - */ -/* ==================================================================== - * Copyright (c) 2006,2007 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. - * - * 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 acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * licensing@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED 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 OpenSSL PROJECT OR - * ITS 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. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -#include <stdio.h> -#include "cryptlib.h" -#include <openssl/evp.h> -#include <openssl/objects.h> -#include <openssl/x509.h> -#include "evp_locl.h" - -static int do_sigver_init(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx, - const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey, - int ver) - { - if (ctx->pctx == NULL) - ctx->pctx = EVP_PKEY_CTX_new(pkey, e); - if (ctx->pctx == NULL) - return 0; - - if (type == NULL) - { - int def_nid; - if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) > 0) - type = EVP_get_digestbynid(def_nid); - } - - if (type == NULL) - { - EVPerr(EVP_F_DO_SIGVER_INIT, EVP_R_NO_DEFAULT_DIGEST); - return 0; - } - - if (ver) - { - if (ctx->pctx->pmeth->verifyctx_init) - { - if (ctx->pctx->pmeth->verifyctx_init(ctx->pctx, ctx) <=0) - return 0; - ctx->pctx->operation = EVP_PKEY_OP_VERIFYCTX; - } - else if (EVP_PKEY_verify_init(ctx->pctx) <= 0) - return 0; - } - else - { - if (ctx->pctx->pmeth->signctx_init) - { - if (ctx->pctx->pmeth->signctx_init(ctx->pctx, ctx) <= 0) - return 0; - ctx->pctx->operation = EVP_PKEY_OP_SIGNCTX; - } - else if (EVP_PKEY_sign_init(ctx->pctx) <= 0) - return 0; - } - if (EVP_PKEY_CTX_set_signature_md(ctx->pctx, type) <= 0) - return 0; - if (pctx) - *pctx = ctx->pctx; - if (!EVP_DigestInit_ex(ctx, type, e)) - return 0; - return 1; - } - -int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx, - const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey) - { - return do_sigver_init(ctx, pctx, type, e, pkey, 0); - } - -int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx, - const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey) - { - return do_sigver_init(ctx, pctx, type, e, pkey, 1); - } - -int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, size_t *siglen) - { - int sctx, r = 0; - if (ctx->pctx->pmeth->signctx) - sctx = 1; - else - sctx = 0; - if (sigret) - { - EVP_MD_CTX tmp_ctx; - unsigned char md[EVP_MAX_MD_SIZE]; - unsigned int mdlen; - EVP_MD_CTX_init(&tmp_ctx); - if (!EVP_MD_CTX_copy_ex(&tmp_ctx,ctx)) - return 0; - if (sctx) - r = tmp_ctx.pctx->pmeth->signctx(tmp_ctx.pctx, - sigret, siglen, &tmp_ctx); - else - r = EVP_DigestFinal_ex(&tmp_ctx,md,&mdlen); - EVP_MD_CTX_cleanup(&tmp_ctx); - if (sctx || !r) - return r; - if (EVP_PKEY_sign(ctx->pctx, sigret, siglen, md, mdlen) <= 0) - return 0; - } - else - { - if (sctx) - { - if (ctx->pctx->pmeth->signctx(ctx->pctx, sigret, siglen, ctx) <= 0) - return 0; - } - else - { - int s = EVP_MD_size(ctx->digest); - if (s < 0 || EVP_PKEY_sign(ctx->pctx, sigret, siglen, NULL, s) <= 0) - return 0; - } - } - return 1; - } - -int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, unsigned char *sig, size_t siglen) - { - EVP_MD_CTX tmp_ctx; - unsigned char md[EVP_MAX_MD_SIZE]; - int r; - unsigned int mdlen; - int vctx; - - if (ctx->pctx->pmeth->verifyctx) - vctx = 1; - else - vctx = 0; - EVP_MD_CTX_init(&tmp_ctx); - if (!EVP_MD_CTX_copy_ex(&tmp_ctx,ctx)) - return -1; - if (vctx) - { - r = tmp_ctx.pctx->pmeth->verifyctx(tmp_ctx.pctx, - sig, siglen, &tmp_ctx); - } - else - r = EVP_DigestFinal_ex(&tmp_ctx,md,&mdlen); - EVP_MD_CTX_cleanup(&tmp_ctx); - if (vctx || !r) - return r; - return EVP_PKEY_verify(ctx->pctx, sig, siglen, md, mdlen); - } |