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82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
#ifndef EL__UTIL_SHA1_H
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#define EL__UTIL_SHA1_H
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/* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is SHA 180-1 Header File
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*
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* The Initial Developer of the Original Code is Paul Kocher of
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* Cryptography Research. Portions created by Paul Kocher are
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* Copyright (C) 1995-9 by Cryptography Research, Inc. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Paul Kocher
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL. */
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/* Optionally SHA1 support can depend on external implementation when linking
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* against a SSL library that supports it. */
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#if defined(CONFIG_OWN_LIBC)
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#define CONFIG_SHA1 1
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#elif defined(CONFIG_OPENSSL)
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#include <openssl/sha.h>
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#else
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#define CONFIG_SHA1 1
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#endif
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#ifndef SHA_DIGEST_LENGTH
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#define SHA_DIGEST_LENGTH 20
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#endif
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#define SHA_HEX_DIGEST_LENGTH (SHA_DIGEST_LENGTH * 2)
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typedef unsigned char sha1_digest_bin_T[SHA_DIGEST_LENGTH];
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typedef unsigned char sha1_digest_hex_T[SHA_HEX_DIGEST_LENGTH];
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struct sha1_context {
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unsigned int H[5];
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unsigned int W[80];
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int lenW;
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unsigned int sizeHi,sizeLo;
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};
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void init_sha1(struct sha1_context *context);
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void update_sha1(struct sha1_context *context, const unsigned char *data, unsigned long length);
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void done_sha1(struct sha1_context *context, sha1_digest_bin_T digest);
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unsigned char *
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digest_sha1(const unsigned char *data, unsigned long length, sha1_digest_bin_T digest);
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#ifdef CONFIG_SHA1
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/* Provide compatibility with the OpenSSL interface: */
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typedef struct sha1_context SHA_CTX;
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#define SHA1_Init(context) init_sha1(context)
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#define SHA1_Update(context, data, len) update_sha1(context, data, len)
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#define SHA1_Final(sha1, context) done_sha1(context, sha1)
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#define SHA1(data, len, sha1) digest_sha1(data, len, sha1)
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#endif /* CONFIG_SHA1 */
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#endif
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