diff options
Diffstat (limited to 'digest.h')
| -rw-r--r-- | digest.h | 12 |
1 files changed, 10 insertions, 2 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: digest.h,v 1.1 2014/01/09 23:20:00 djm Exp $ */ +/* $OpenBSD: digest.h,v 1.2 2014/01/27 18:58:14 markus Exp $ */ /* * Copyright (c) 2013 Damien Miller <djm@mindrot.org> * @@ -30,9 +30,18 @@ #define SSH_DIGEST_SHA512 5 #define SSH_DIGEST_MAX 6 +struct ssh_digest_ctx; + /* Returns the algorithm's digest length in bytes or 0 for invalid algorithm */ size_t ssh_digest_bytes(int alg); +/* Returns the block size of the digest, e.g. for implementing HMAC */ +size_t ssh_digest_blocksize(struct ssh_digest_ctx *ctx); + +/* Copies internal state of digest of 'from' to 'to' */ +int ssh_digest_copy_state(struct ssh_digest_ctx *from, + struct ssh_digest_ctx *to); + /* One-shot API */ int ssh_digest_memory(int alg, const void *m, size_t mlen, u_char *d, size_t dlen) @@ -42,7 +51,6 @@ int ssh_digest_buffer(int alg, const Buffer *b, u_char *d, size_t dlen) __attribute__((__bounded__(__buffer__, 3, 4))); /* Update API */ -struct ssh_digest_ctx; struct ssh_digest_ctx *ssh_digest_start(int alg); int ssh_digest_update(struct ssh_digest_ctx *ctx, const void *m, size_t mlen) __attribute__((__bounded__(__buffer__, 2, 3))); |
