diff options
Diffstat (limited to 'crypto/openssh/digest-libc.c')
| -rw-r--r-- | crypto/openssh/digest-libc.c | 76 |
1 files changed, 51 insertions, 25 deletions
diff --git a/crypto/openssh/digest-libc.c b/crypto/openssh/digest-libc.c index 9377c77..40db002 100644 --- a/crypto/openssh/digest-libc.c +++ b/crypto/openssh/digest-libc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: digest-libc.c,v 1.2 2014/02/02 03:44:31 djm Exp $ */ +/* $OpenBSD: digest-libc.c,v 1.5 2015/05/05 02:48:17 jsg Exp $ */ /* * Copyright (c) 2013 Damien Miller <djm@mindrot.org> * Copyright (c) 2014 Markus Friedl. All rights reserved. @@ -18,17 +18,22 @@ #include "includes.h" +#ifndef WITH_OPENSSL + #include <sys/types.h> #include <limits.h> #include <stdlib.h> #include <string.h> +#if 0 #include <md5.h> #include <rmd160.h> #include <sha1.h> #include <sha2.h> +#endif -#include "buffer.h" +#include "ssherr.h" +#include "sshbuf.h" #include "digest.h" typedef void md_init_fn(void *mdctx); @@ -88,30 +93,30 @@ const struct ssh_digest digests[SSH_DIGEST_MAX] = { "SHA256", SHA256_BLOCK_LENGTH, SHA256_DIGEST_LENGTH, - sizeof(SHA2_CTX), - (md_init_fn *) SHA256Init, - (md_update_fn *) SHA256Update, - (md_final_fn *) SHA256Final + sizeof(SHA256_CTX), + (md_init_fn *) SHA256_Init, + (md_update_fn *) SHA256_Update, + (md_final_fn *) SHA256_Final }, { SSH_DIGEST_SHA384, "SHA384", SHA384_BLOCK_LENGTH, SHA384_DIGEST_LENGTH, - sizeof(SHA2_CTX), - (md_init_fn *) SHA384Init, - (md_update_fn *) SHA384Update, - (md_final_fn *) SHA384Final + sizeof(SHA384_CTX), + (md_init_fn *) SHA384_Init, + (md_update_fn *) SHA384_Update, + (md_final_fn *) SHA384_Final }, { SSH_DIGEST_SHA512, "SHA512", SHA512_BLOCK_LENGTH, SHA512_DIGEST_LENGTH, - sizeof(SHA2_CTX), - (md_init_fn *) SHA512Init, - (md_update_fn *) SHA512Update, - (md_final_fn *) SHA512Final + sizeof(SHA512_CTX), + (md_init_fn *) SHA512_Init, + (md_update_fn *) SHA512_Update, + (md_final_fn *) SHA512_Final } }; @@ -125,6 +130,26 @@ ssh_digest_by_alg(int alg) return &(digests[alg]); } +int +ssh_digest_alg_by_name(const char *name) +{ + int alg; + + for (alg = 0; alg < SSH_DIGEST_MAX; alg++) { + if (strcasecmp(name, digests[alg].name) == 0) + return digests[alg].id; + } + return -1; +} + +const char * +ssh_digest_alg_name(int alg) +{ + const struct ssh_digest *digest = ssh_digest_by_alg(alg); + + return digest == NULL ? NULL : digest->name; +} + size_t ssh_digest_bytes(int alg) { @@ -164,7 +189,7 @@ ssh_digest_copy_state(struct ssh_digest_ctx *from, struct ssh_digest_ctx *to) const struct ssh_digest *digest = ssh_digest_by_alg(from->alg); if (digest == NULL || from->alg != to->alg) - return -1; + return SSH_ERR_INVALID_ARGUMENT; memcpy(to->mdctx, from->mdctx, digest->ctx_len); return 0; } @@ -175,15 +200,15 @@ ssh_digest_update(struct ssh_digest_ctx *ctx, const void *m, size_t mlen) const struct ssh_digest *digest = ssh_digest_by_alg(ctx->alg); if (digest == NULL) - return -1; + return SSH_ERR_INVALID_ARGUMENT; digest->md_update(ctx->mdctx, m, mlen); return 0; } int -ssh_digest_update_buffer(struct ssh_digest_ctx *ctx, const Buffer *b) +ssh_digest_update_buffer(struct ssh_digest_ctx *ctx, const struct sshbuf *b) { - return ssh_digest_update(ctx, buffer_ptr(b), buffer_len(b)); + return ssh_digest_update(ctx, sshbuf_ptr(b), sshbuf_len(b)); } int @@ -192,11 +217,11 @@ ssh_digest_final(struct ssh_digest_ctx *ctx, u_char *d, size_t dlen) const struct ssh_digest *digest = ssh_digest_by_alg(ctx->alg); if (digest == NULL) - return -1; + return SSH_ERR_INVALID_ARGUMENT; if (dlen > UINT_MAX) - return -1; + return SSH_ERR_INVALID_ARGUMENT; if (dlen < digest->digest_len) /* No truncation allowed */ - return -1; + return SSH_ERR_INVALID_ARGUMENT; digest->md_final(d, ctx->mdctx); return 0; } @@ -223,16 +248,17 @@ ssh_digest_memory(int alg, const void *m, size_t mlen, u_char *d, size_t dlen) struct ssh_digest_ctx *ctx = ssh_digest_start(alg); if (ctx == NULL) - return -1; + return SSH_ERR_INVALID_ARGUMENT; if (ssh_digest_update(ctx, m, mlen) != 0 || ssh_digest_final(ctx, d, dlen) != 0) - return -1; + return SSH_ERR_INVALID_ARGUMENT; ssh_digest_free(ctx); return 0; } int -ssh_digest_buffer(int alg, const Buffer *b, u_char *d, size_t dlen) +ssh_digest_buffer(int alg, const struct sshbuf *b, u_char *d, size_t dlen) { - return ssh_digest_memory(alg, buffer_ptr(b), buffer_len(b), d, dlen); + return ssh_digest_memory(alg, sshbuf_ptr(b), sshbuf_len(b), d, dlen); } +#endif /* !WITH_OPENSSL */ |
