+++ /dev/null
-/*
- * 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 "internal/cryptlib.h"
-#include <openssl/evp.h>
-#include "internal/asn1_int.h"
-
-#define HMAC_TEST_PRIVATE_KEY_FORMAT
-
-/*
- * HMAC "ASN1" method. This is just here to indicate the maximum HMAC output
- * length and to free up an HMAC key.
- */
-
-static int hmac_size(const EVP_PKEY *pkey)
-{
- return EVP_MAX_MD_SIZE;
-}
-
-static void hmac_key_free(EVP_PKEY *pkey)
-{
- ASN1_OCTET_STRING *os = EVP_PKEY_get0(pkey);
- if (os) {
- if (os->data)
- OPENSSL_cleanse(os->data, os->length);
- ASN1_OCTET_STRING_free(os);
- }
-}
-
-static int hmac_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
-{
- switch (op) {
- case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
- *(int *)arg2 = NID_sha256;
- return 1;
-
- default:
- return -2;
- }
-}
-
-#ifdef HMAC_TEST_PRIVATE_KEY_FORMAT
-/*
- * A bogus private key format for test purposes. This is simply the HMAC key
- * with "HMAC PRIVATE KEY" in the headers. When enabled the genpkey utility
- * can be used to "generate" HMAC keys.
- */
-
-static int old_hmac_decode(EVP_PKEY *pkey,
- const unsigned char **pder, int derlen)
-{
- ASN1_OCTET_STRING *os;
- os = ASN1_OCTET_STRING_new();
- if (os == NULL || !ASN1_OCTET_STRING_set(os, *pder, derlen))
- goto err;
- if (!EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, os))
- goto err;
- return 1;
-
- err:
- ASN1_OCTET_STRING_free(os);
- return 0;
-}
-
-static int old_hmac_encode(const EVP_PKEY *pkey, unsigned char **pder)
-{
- int inc;
- ASN1_OCTET_STRING *os = EVP_PKEY_get0(pkey);
- if (pder) {
- if (!*pder) {
- *pder = OPENSSL_malloc(os->length);
- if (*pder == NULL)
- return -1;
- inc = 0;
- } else
- inc = 1;
-
- memcpy(*pder, os->data, os->length);
-
- if (inc)
- *pder += os->length;
- }
-
- return os->length;
-}
-
-#endif
-
-const EVP_PKEY_ASN1_METHOD hmac_asn1_meth = {
- EVP_PKEY_HMAC,
- EVP_PKEY_HMAC,
- 0,
-
- "HMAC",
- "OpenSSL HMAC method",
-
- 0, 0, 0, 0,
-
- 0, 0, 0,
-
- hmac_size,
- 0, 0,
- 0, 0, 0, 0, 0, 0, 0,
-
- hmac_key_free,
- hmac_pkey_ctrl,
-#ifdef HMAC_TEST_PRIVATE_KEY_FORMAT
- old_hmac_decode,
- old_hmac_encode
-#else
- 0, 0
-#endif
-};
projects / openssl.git / blobdiff