From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 00:33:56 +0200 Subject: initial/final commit --- openssl-1.1.0h/crypto/evp/p_verify.c | 55 ++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 openssl-1.1.0h/crypto/evp/p_verify.c (limited to 'openssl-1.1.0h/crypto/evp/p_verify.c') diff --git a/openssl-1.1.0h/crypto/evp/p_verify.c b/openssl-1.1.0h/crypto/evp/p_verify.c new file mode 100644 index 0000000..6e8c565 --- /dev/null +++ b/openssl-1.1.0h/crypto/evp/p_verify.c @@ -0,0 +1,55 @@ +/* + * Copyright 1995-2016 The OpenSSL Project Authors. 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 + */ + +#include +#include "internal/cryptlib.h" +#include +#include +#include +#include "internal/evp_int.h" + +int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf, + unsigned int siglen, EVP_PKEY *pkey) +{ + unsigned char m[EVP_MAX_MD_SIZE]; + unsigned int m_len = 0; + int i = 0; + EVP_PKEY_CTX *pkctx = NULL; + + if (EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_FINALISE)) { + if (!EVP_DigestFinal_ex(ctx, m, &m_len)) + goto err; + } else { + int rv = 0; + EVP_MD_CTX *tmp_ctx = EVP_MD_CTX_new(); + if (tmp_ctx == NULL) { + EVPerr(EVP_F_EVP_VERIFYFINAL, ERR_R_MALLOC_FAILURE); + return 0; + } + rv = EVP_MD_CTX_copy_ex(tmp_ctx, ctx); + if (rv) + rv = EVP_DigestFinal_ex(tmp_ctx, m, &m_len); + EVP_MD_CTX_free(tmp_ctx); + if (!rv) + return 0; + } + + i = -1; + pkctx = EVP_PKEY_CTX_new(pkey, NULL); + if (pkctx == NULL) + goto err; + if (EVP_PKEY_verify_init(pkctx) <= 0) + goto err; + if (EVP_PKEY_CTX_set_signature_md(pkctx, EVP_MD_CTX_md(ctx)) <= 0) + goto err; + i = EVP_PKEY_verify(pkctx, sigbuf, siglen, m, m_len); + err: + EVP_PKEY_CTX_free(pkctx); + return i; +} -- cgit v1.2.3