src/usr.bin/ssh/kexgex.c - diff

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Diff for /src/usr.bin/ssh/kexgex.c between version 1.27 and 1.28

version 1.27, 2006/08/03 03:34:42

version 1.28, 2014/01/09 23:20:00

Line 34

#include "cipher.h"

#include "kex.h"

#include "ssh2.h"

#include "digest.h"

#include "log.h"

void

kexgex_hash(

const EVP_MD *evp_md,

int hash_alg,

char *client_version_string,

char *server_version_string,

char *ckexinit, int ckexinitlen,

Line 50

Line 52

u_char **hash, u_int *hashlen)

{

Buffer b;

static u_char digest[EVP_MAX_MD_SIZE];

static u_char digest[SSH_DIGEST_MAX_LENGTH];

EVP_MD_CTX md;

buffer_init(&b);

buffer_put_cstring(&b, client_version_string);

Line 82

Line 83

#ifdef DEBUG_KEXDH

buffer_dump(&b);

#endif

if (ssh_digest_buffer(hash_alg, &b, digest, sizeof(digest)) != 0)

fatal("%s: ssh_digest_buffer failed", __func__);

EVP_DigestInit(&md, evp_md);

EVP_DigestUpdate(&md, buffer_ptr(&b), buffer_len(&b));

EVP_DigestFinal(&md, digest, NULL);

buffer_free(&b);

*hash = digest;

*hashlen = EVP_MD_size(evp_md);

#ifdef DEBUG_KEX

#ifdef DEBUG_KEXDH

dump_digest("hash", digest, ssh_digest_bytes(hash_alg));

dump_digest("hash", digest, *hashlen);

#endif

*hash = digest;

*hashlen = ssh_digest_bytes(hash_alg);

}