-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2010.
- */
-/* ====================================================================
- * Copyright (c) 2010 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/)"
+/*
+ * Copyright 2010-2016 The OpenSSL Project Authors. All Rights Reserved.
*
- * 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.
- * ====================================================================
+ * 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 <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/evp.h>
#include <openssl/cmac.h>
-#include "evp_locl.h"
+#include "internal/evp_int.h"
/* The context structure and "key" is simply a CMAC_CTX */
static int pkey_cmac_init(EVP_PKEY_CTX *ctx)
- {
- ctx->data = CMAC_CTX_new();
- if (!ctx->data)
- return 0;
- ctx->keygen_info_count = 0;
- return 1;
- }
+{
+ ctx->data = CMAC_CTX_new();
+ if (ctx->data == NULL)
+ return 0;
+ ctx->keygen_info_count = 0;
+ return 1;
+}
static int pkey_cmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
- {
- if (!pkey_cmac_init(dst))
- return 0;
- if (!CMAC_CTX_copy(dst->data, src->data))
- return 0;
- return 1;
- }
+{
+ if (!pkey_cmac_init(dst))
+ return 0;
+ if (!CMAC_CTX_copy(dst->data, src->data))
+ return 0;
+ return 1;
+}
static void pkey_cmac_cleanup(EVP_PKEY_CTX *ctx)
- {
- CMAC_CTX_free(ctx->data);
- }
+{
+ CMAC_CTX_free(ctx->data);
+}
static int pkey_cmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
- {
- CMAC_CTX *cmkey = CMAC_CTX_new();
- CMAC_CTX *cmctx = ctx->data;
- if (!cmkey)
- return 0;
- if (!CMAC_CTX_copy(cmkey, cmctx))
- {
- CMAC_CTX_free(cmkey);
- return 0;
- }
- EVP_PKEY_assign(pkey, EVP_PKEY_CMAC, cmkey);
-
- return 1;
- }
-
-static int int_update(EVP_MD_CTX *ctx,const void *data,size_t count)
- {
- if (!CMAC_Update(ctx->pctx->data, data, count))
- return 0;
- return 1;
- }
+{
+ CMAC_CTX *cmkey = CMAC_CTX_new();
+ CMAC_CTX *cmctx = ctx->data;
+ if (cmkey == NULL)
+ return 0;
+ if (!CMAC_CTX_copy(cmkey, cmctx)) {
+ CMAC_CTX_free(cmkey);
+ return 0;
+ }
+ EVP_PKEY_assign(pkey, EVP_PKEY_CMAC, cmkey);
+
+ return 1;
+}
+
+static int int_update(EVP_MD_CTX *ctx, const void *data, size_t count)
+{
+ if (!CMAC_Update(EVP_MD_CTX_pkey_ctx(ctx)->data, data, count))
+ return 0;
+ return 1;
+}
static int cmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
- {
- EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
- mctx->update = int_update;
- return 1;
- }
+{
+ EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
+ EVP_MD_CTX_set_update_fn(mctx, int_update);
+ return 1;
+}
static int cmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
- EVP_MD_CTX *mctx)
- {
- return CMAC_Final(ctx->data, sig, siglen);
- }
+ EVP_MD_CTX *mctx)
+{
+ return CMAC_Final(ctx->data, sig, siglen);
+}
static int pkey_cmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
- {
- CMAC_CTX *cmctx = ctx->data;
- switch (type)
- {
-
- case EVP_PKEY_CTRL_SET_MAC_KEY:
- if (!p2 || p1 < 0)
- return 0;
- if (!CMAC_Init(cmctx, p2, p1, NULL, NULL))
- return 0;
- break;
-
- case EVP_PKEY_CTRL_CIPHER:
- if (!CMAC_Init(cmctx, NULL, 0, p2, ctx->engine))
- return 0;
- break;
-
- case EVP_PKEY_CTRL_MD:
- if (ctx->pkey && !CMAC_CTX_copy(ctx->data,
- (CMAC_CTX *)ctx->pkey->pkey.ptr))
- return 0;
- if (!CMAC_Init(cmctx, NULL, 0, NULL, NULL))
- return 0;
- break;
-
- default:
- return -2;
-
- }
- return 1;
- }
+{
+ CMAC_CTX *cmctx = ctx->data;
+ switch (type) {
+
+ case EVP_PKEY_CTRL_SET_MAC_KEY:
+ if (!p2 || p1 < 0)
+ return 0;
+ if (!CMAC_Init(cmctx, p2, p1, NULL, NULL))
+ return 0;
+ break;
+
+ case EVP_PKEY_CTRL_CIPHER:
+ if (!CMAC_Init(cmctx, NULL, 0, p2, ctx->engine))
+ return 0;
+ break;
+
+ case EVP_PKEY_CTRL_MD:
+ if (ctx->pkey && !CMAC_CTX_copy(ctx->data,
+ (CMAC_CTX *)ctx->pkey->pkey.ptr))
+ return 0;
+ if (!CMAC_Init(cmctx, NULL, 0, NULL, NULL))
+ return 0;
+ break;
+
+ default:
+ return -2;
+
+ }
+ return 1;
+}
static int pkey_cmac_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_cmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
- strlen(p), p);
- }
- if (!strcmp(type, "cipher"))
- {
- const EVP_CIPHER *c;
- c = EVP_get_cipherbyname(value);
- if (!c)
- return 0;
- return pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_CIPHER, -1, (void *)c);
- }
- if (!strcmp(type, "hexkey"))
- {
- unsigned char *key;
- int r;
- long keylen;
- key = string_to_hex(value, &keylen);
- if (!key)
- return 0;
- r = pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key);
- OPENSSL_free(key);
- return r;
- }
- return -2;
- }
-
-const EVP_PKEY_METHOD cmac_pkey_meth =
- {
- EVP_PKEY_CMAC,
- EVP_PKEY_FLAG_SIGCTX_CUSTOM,
- pkey_cmac_init,
- pkey_cmac_copy,
- pkey_cmac_cleanup,
-
- 0, 0,
-
- 0,
- pkey_cmac_keygen,
-
- 0, 0,
-
- 0, 0,
-
- 0,0,
-
- cmac_signctx_init,
- cmac_signctx,
-
- 0,0,
-
- 0,0,
-
- 0,0,
-
- 0,0,
-
- pkey_cmac_ctrl,
- pkey_cmac_ctrl_str
-
- };
+ const char *type, const char *value)
+{
+ if (!value) {
+ return 0;
+ }
+ if (strcmp(type, "cipher") == 0) {
+ const EVP_CIPHER *c;
+ c = EVP_get_cipherbyname(value);
+ if (!c)
+ return 0;
+ return pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_CIPHER, -1, (void *)c);
+ }
+ if (strcmp(type, "key") == 0)
+ return EVP_PKEY_CTX_str2ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, value);
+ if (strcmp(type, "hexkey") == 0)
+ return EVP_PKEY_CTX_hex2ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, value);
+ return -2;
+}
+
+const EVP_PKEY_METHOD cmac_pkey_meth = {
+ EVP_PKEY_CMAC,
+ EVP_PKEY_FLAG_SIGCTX_CUSTOM,
+ pkey_cmac_init,
+ pkey_cmac_copy,
+ pkey_cmac_cleanup,
+
+ 0, 0,
+
+ 0,
+ pkey_cmac_keygen,
+
+ 0, 0,
+
+ 0, 0,
+
+ 0, 0,
+
+ cmac_signctx_init,
+ cmac_signctx,
+
+ 0, 0,
+
+ 0, 0,
+
+ 0, 0,
+
+ 0, 0,
+
+ pkey_cmac_ctrl,
+ pkey_cmac_ctrl_str
+};
projects / cassiopeia.git / blobdiff