src/usr.bin/ssh/kexc25519.c - diff

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Diff for /src/usr.bin/ssh/kexc25519.c between version 1.2 and 1.3

version 1.2, 2013/11/02 22:02:14

version 1.3, 2014/01/09 23:20:00

Line 39

#include "cipher.h"

#include "kex.h"

#include "log.h"

#include "digest.h"

extern int crypto_scalarmult_curve25519(u_char a[CURVE25519_SIZE],

const u_char b[CURVE25519_SIZE], const u_char c[CURVE25519_SIZE])

Line 76

Line 77

void

kex_c25519_hash(

const EVP_MD *evp_md,

int hash_alg,

char *client_version_string,

char *server_version_string,

char *ckexinit, int ckexinitlen,

Line 88

Line 89

u_char **hash, u_int *hashlen)

{

Buffer b;

EVP_MD_CTX md;

static u_char digest[SSH_DIGEST_MAX_LENGTH];

static u_char digest[EVP_MAX_MD_SIZE];

buffer_init(&b);

buffer_put_cstring(&b, client_version_string);

Line 111

#ifdef DEBUG_KEX

buffer_dump(&b);

#endif

EVP_DigestInit(&md, evp_md);

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

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

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

EVP_DigestFinal(&md, digest, NULL);

buffer_free(&b);

#ifdef DEBUG_KEX

dump_digest("hash", digest, EVP_MD_size(evp_md));

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

#endif

*hash = digest;

*hashlen = EVP_MD_size(evp_md);

*hashlen = ssh_digest_bytes(hash_alg);

}