src/usr.bin/ssh/hmac.h - diff

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Diff for /src/usr.bin/ssh/hmac.h between version 1.5 and 1.6

-version 1.5, 2001/02/11 12:59:24
+version 1.6, 2014/01/27 18:58:14
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- /*      $OpenBSD$       */
+ /* $OpenBSD$ */
  /*
-  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
+  * Copyright (c) 2014 Markus Friedl.  All rights reserved.
   *
-  * Redistribution and use in source and binary forms, with or without
+  * Permission to use, copy, modify, and distribute this software for any
-  * modification, are permitted provided that the following conditions
+  * purpose with or without fee is hereby granted, provided that the above
-  * are met:
+  * copyright notice and this permission notice appear in all copies.
-  * 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.
   *
-  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-  * 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.
   */
- #ifndef HMAC_H
- #define HMAC_H
- u_char *
+ #ifndef _HMAC_H
- hmac(
+ #define _HMAC_H
-     EVP_MD *evp_md,
-     u_int seqno,
-     u_char *data, int datalen,
-     u_char *key, int len);
- #endif
+ /* Returns the algorithm's digest length in bytes or 0 for invalid algorithm */
+ size_t ssh_hmac_bytes(int alg);
+ struct ssh_hmac_ctx;
+ struct ssh_hmac_ctx *ssh_hmac_start(int alg);
+ /* Sets the state of the HMAC or resets the state if key == NULL */
+ int ssh_hmac_init(struct ssh_hmac_ctx *ctx, const void *key, size_t klen)
+         __attribute__((__bounded__(__buffer__, 2, 3)));
+ int ssh_hmac_update(struct ssh_hmac_ctx *ctx, const void *m, size_t mlen)
+         __attribute__((__bounded__(__buffer__, 2, 3)));
+ int ssh_hmac_update_buffer(struct ssh_hmac_ctx *ctx, const Buffer *b);
+ int ssh_hmac_final(struct ssh_hmac_ctx *ctx, u_char *d, size_t dlen)
+         __attribute__((__bounded__(__buffer__, 2, 3)));
+ void ssh_hmac_free(struct ssh_hmac_ctx *ctx);
+ #endif /* _HMAC_H */