diff options
Diffstat (limited to 'thirdparty/openssl/crypto/hmac/hm_pmeth.c')
-rw-r--r-- | thirdparty/openssl/crypto/hmac/hm_pmeth.c | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/thirdparty/openssl/crypto/hmac/hm_pmeth.c b/thirdparty/openssl/crypto/hmac/hm_pmeth.c deleted file mode 100644 index 0a59a01cf0..0000000000 --- a/thirdparty/openssl/crypto/hmac/hm_pmeth.c +++ /dev/null @@ -1,265 +0,0 @@ -/* - * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project - * 2007. - */ -/* ==================================================================== - * Copyright (c) 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/x509.h> -#include <openssl/x509v3.h> -#include <openssl/evp.h> -#include <openssl/hmac.h> -#include "evp_locl.h" - -/* HMAC pkey context structure */ - -typedef struct { - const EVP_MD *md; /* MD for HMAC use */ - ASN1_OCTET_STRING ktmp; /* Temp storage for key */ - HMAC_CTX ctx; -} HMAC_PKEY_CTX; - -static int pkey_hmac_init(EVP_PKEY_CTX *ctx) -{ - HMAC_PKEY_CTX *hctx; - hctx = OPENSSL_malloc(sizeof(HMAC_PKEY_CTX)); - if (!hctx) - return 0; - hctx->md = NULL; - hctx->ktmp.data = NULL; - hctx->ktmp.length = 0; - hctx->ktmp.flags = 0; - hctx->ktmp.type = V_ASN1_OCTET_STRING; - HMAC_CTX_init(&hctx->ctx); - - ctx->data = hctx; - ctx->keygen_info_count = 0; - - return 1; -} - -static int pkey_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src) -{ - HMAC_PKEY_CTX *sctx, *dctx; - if (!pkey_hmac_init(dst)) - return 0; - sctx = src->data; - dctx = dst->data; - dctx->md = sctx->md; - if (!HMAC_CTX_copy(&dctx->ctx, &sctx->ctx)) - goto err; - if (sctx->ktmp.data != NULL) { - if (!ASN1_OCTET_STRING_set(&dctx->ktmp, - sctx->ktmp.data, sctx->ktmp.length)) - goto err; - } - return 1; - err: - HMAC_CTX_cleanup(&dctx->ctx); - OPENSSL_free(dctx); - return 0; -} - -static void pkey_hmac_cleanup(EVP_PKEY_CTX *ctx) -{ - HMAC_PKEY_CTX *hctx = ctx->data; - HMAC_CTX_cleanup(&hctx->ctx); - if (hctx->ktmp.data) { - if (hctx->ktmp.length) - OPENSSL_cleanse(hctx->ktmp.data, hctx->ktmp.length); - OPENSSL_free(hctx->ktmp.data); - hctx->ktmp.data = NULL; - } - OPENSSL_free(hctx); -} - -static int pkey_hmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey) -{ - ASN1_OCTET_STRING *hkey = NULL; - HMAC_PKEY_CTX *hctx = ctx->data; - if (!hctx->ktmp.data) - return 0; - hkey = ASN1_OCTET_STRING_dup(&hctx->ktmp); - if (!hkey) - return 0; - EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, hkey); - - return 1; -} - -static int int_update(EVP_MD_CTX *ctx, const void *data, size_t count) -{ - HMAC_PKEY_CTX *hctx = ctx->pctx->data; - if (!HMAC_Update(&hctx->ctx, data, count)) - return 0; - return 1; -} - -static int hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx) -{ - HMAC_PKEY_CTX *hctx = ctx->data; - HMAC_CTX_set_flags(&hctx->ctx, mctx->flags & ~EVP_MD_CTX_FLAG_NO_INIT); - EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT); - mctx->update = int_update; - return 1; -} - -static int hmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, - EVP_MD_CTX *mctx) -{ - unsigned int hlen; - HMAC_PKEY_CTX *hctx = ctx->data; - int l = EVP_MD_CTX_size(mctx); - - if (l < 0) - return 0; - *siglen = l; - if (!sig) - return 1; - - if (!HMAC_Final(&hctx->ctx, sig, &hlen)) - return 0; - *siglen = (size_t)hlen; - return 1; -} - -static int pkey_hmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2) -{ - HMAC_PKEY_CTX *hctx = ctx->data; - ASN1_OCTET_STRING *key; - switch (type) { - - case EVP_PKEY_CTRL_SET_MAC_KEY: - if ((!p2 && p1 > 0) || (p1 < -1)) - return 0; - if (!ASN1_OCTET_STRING_set(&hctx->ktmp, p2, p1)) - return 0; - break; - - case EVP_PKEY_CTRL_MD: - hctx->md = p2; - break; - - case EVP_PKEY_CTRL_DIGESTINIT: - key = (ASN1_OCTET_STRING *)ctx->pkey->pkey.ptr; - if (!HMAC_Init_ex(&hctx->ctx, key->data, key->length, hctx->md, - ctx->engine)) - return 0; - break; - - default: - return -2; - - } - return 1; -} - -static int pkey_hmac_ctrl_str(EVP_PKEY_CTX *ctx, - const char *type, const char *value) -{ - if (!value) { - return 0; - } - if (!strcmp(type, "key")) { - void *p = (void *)value; - return pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, -1, p); - } - if (!strcmp(type, "hexkey")) { - unsigned char *key; - int r; - long keylen; - key = string_to_hex(value, &keylen); - if (!key) - return 0; - r = pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key); - OPENSSL_free(key); - return r; - } - return -2; -} - -const EVP_PKEY_METHOD hmac_pkey_meth = { - EVP_PKEY_HMAC, - 0, - pkey_hmac_init, - pkey_hmac_copy, - pkey_hmac_cleanup, - - 0, 0, - - 0, - pkey_hmac_keygen, - - 0, 0, - - 0, 0, - - 0, 0, - - hmac_signctx_init, - hmac_signctx, - - 0, 0, - - 0, 0, - - 0, 0, - - 0, 0, - - pkey_hmac_ctrl, - pkey_hmac_ctrl_str -}; |