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+/* crypto/evp/m_sha1.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * 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 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 acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS 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 AUTHOR OR 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.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+
+#ifndef OPENSSL_NO_SHA
+
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+#ifndef OPENSSL_NO_RSA
+#include <openssl/rsa.h>
+#endif
+
+static int init(EVP_MD_CTX *ctx)
+ { return SHA1_Init(ctx->md_data); }
+
+static int update(EVP_MD_CTX *ctx,const void *data,size_t count)
+ { return SHA1_Update(ctx->md_data,data,count); }
+
+static int final(EVP_MD_CTX *ctx,unsigned char *md)
+ { return SHA1_Final(md,ctx->md_data); }
+
+static const EVP_MD sha1_md=
+ {
+ NID_sha1,
+ NID_sha1WithRSAEncryption,
+ SHA_DIGEST_LENGTH,
+ EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
+ init,
+ update,
+ final,
+ NULL,
+ NULL,
+ EVP_PKEY_RSA_method,
+ SHA_CBLOCK,
+ sizeof(EVP_MD *)+sizeof(SHA_CTX),
+ };
+
+const EVP_MD *EVP_sha1(void)
+ {
+ return(&sha1_md);
+ }
+#endif
+
+#ifndef OPENSSL_NO_SHA256
+static int init224(EVP_MD_CTX *ctx)
+ { return SHA224_Init(ctx->md_data); }
+static int init256(EVP_MD_CTX *ctx)
+ { return SHA256_Init(ctx->md_data); }
+/*
+ * Even though there're separate SHA224_[Update|Final], we call
+ * SHA256 functions even in SHA224 context. This is what happens
+ * there anyway, so we can spare few CPU cycles:-)
+ */
+static int update256(EVP_MD_CTX *ctx,const void *data,size_t count)
+ { return SHA256_Update(ctx->md_data,data,count); }
+static int final256(EVP_MD_CTX *ctx,unsigned char *md)
+ { return SHA256_Final(md,ctx->md_data); }
+
+static const EVP_MD sha224_md=
+ {
+ NID_sha224,
+ NID_sha224WithRSAEncryption,
+ SHA224_DIGEST_LENGTH,
+ EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
+ init224,
+ update256,
+ final256,
+ NULL,
+ NULL,
+ EVP_PKEY_RSA_method,
+ SHA256_CBLOCK,
+ sizeof(EVP_MD *)+sizeof(SHA256_CTX),
+ };
+
+const EVP_MD *EVP_sha224(void)
+ { return(&sha224_md); }
+
+static const EVP_MD sha256_md=
+ {
+ NID_sha256,
+ NID_sha256WithRSAEncryption,
+ SHA256_DIGEST_LENGTH,
+ EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
+ init256,
+ update256,
+ final256,
+ NULL,
+ NULL,
+ EVP_PKEY_RSA_method,
+ SHA256_CBLOCK,
+ sizeof(EVP_MD *)+sizeof(SHA256_CTX),
+ };
+
+const EVP_MD *EVP_sha256(void)
+ { return(&sha256_md); }
+#endif /* ifndef OPENSSL_NO_SHA256 */
+
+#ifndef OPENSSL_NO_SHA512
+static int init384(EVP_MD_CTX *ctx)
+ { return SHA384_Init(ctx->md_data); }
+static int init512(EVP_MD_CTX *ctx)
+ { return SHA512_Init(ctx->md_data); }
+/* See comment in SHA224/256 section */
+static int update512(EVP_MD_CTX *ctx,const void *data,size_t count)
+ { return SHA512_Update(ctx->md_data,data,count); }
+static int final512(EVP_MD_CTX *ctx,unsigned char *md)
+ { return SHA512_Final(md,ctx->md_data); }
+
+static const EVP_MD sha384_md=
+ {
+ NID_sha384,
+ NID_sha384WithRSAEncryption,
+ SHA384_DIGEST_LENGTH,
+ EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
+ init384,
+ update512,
+ final512,
+ NULL,
+ NULL,
+ EVP_PKEY_RSA_method,
+ SHA512_CBLOCK,
+ sizeof(EVP_MD *)+sizeof(SHA512_CTX),
+ };
+
+const EVP_MD *EVP_sha384(void)
+ { return(&sha384_md); }
+
+static const EVP_MD sha512_md=
+ {
+ NID_sha512,
+ NID_sha512WithRSAEncryption,
+ SHA512_DIGEST_LENGTH,
+ EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
+ init512,
+ update512,
+ final512,
+ NULL,
+ NULL,
+ EVP_PKEY_RSA_method,
+ SHA512_CBLOCK,
+ sizeof(EVP_MD *)+sizeof(SHA512_CTX),
+ };
+
+const EVP_MD *EVP_sha512(void)
+ { return(&sha512_md); }
+#endif /* ifndef OPENSSL_NO_SHA512 */