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39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/*
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Unix SMB/CIFS implementation.
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Interface header: HMAC SHA256 code
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Copyright (C) Andrew Tridgell 2008
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based on hmacsha1.h which is:
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Copyright (C) Stefan Metzmacher 2006
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _HMAC_SHA256_H
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struct HMACSHA256Context {
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SHA256_CTX ctx;
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uint8_t k_ipad[65];
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uint8_t k_opad[65];
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};
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void hmac_sha256_init(const uint8_t *key, size_t key_len, struct HMACSHA256Context *ctx);
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void hmac_sha256_update(const uint8_t *data, size_t data_len, struct HMACSHA256Context *ctx);
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void hmac_sha256_final(uint8_t digest[20], struct HMACSHA256Context *ctx);
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#endif /* _HMAC_SHA256_H */
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