svn merge -r514:HEAD ^/branches/released .

1 files changed, 167 insertions, 0 deletions

diff --git a/openssl/crypto/hmac/hm_ameth.c b/openssl/crypto/hmac/hm_ameth.c
new file mode 100644
index 000000000..6d8a89149
--- /dev/null
+++ b/openssl/crypto/hmac/hm_ameth.c
@@ -0,0 +1,167 @@
+/* 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/evp.h>
+#include "asn1_locl.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 = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
+	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_sha1;
+		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 || !ASN1_OCTET_STRING_set(os, *pder, derlen))
+		return 0;
+	EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, os);
+	return 1;
+	}
+
+static int old_hmac_encode(const EVP_PKEY *pkey, unsigned char **pder)
+	{
+	int inc;
+	ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
+	if (pder)
+		{
+		if (!*pder)
+			{
+			*pder = OPENSSL_malloc(os->length);
+			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,
+
+	hmac_key_free,
+	hmac_pkey_ctrl,
+#ifdef HMAC_TEST_PRIVATE_KEY_FORMAT
+	old_hmac_decode,
+	old_hmac_encode
+#else
+	0,0
+#endif
+	};
+