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

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version 1.8, 1999/11/24 00:26:02

version 1.9, 1999/12/08 22:37:42

Line 29

BIGNUM* host_key_n,

BIGNUM* session_key_n)

{

unsigned int host_key_bits = BN_num_bits(host_key_n);

unsigned int host_key_bytes = BN_num_bytes(host_key_n);

unsigned int session_key_bits = BN_num_bits(session_key_n);

unsigned int session_key_bytes = BN_num_bytes(session_key_n);

unsigned int bytes = (host_key_bits + 7) / 8 + (session_key_bits + 7) / 8 + 8;

unsigned int bytes = host_key_bytes + session_key_bytes;

unsigned char *buf = xmalloc(bytes);

MD5_CTX md;

BN_bn2bin(host_key_n, buf);

BN_bn2bin(session_key_n, buf + (host_key_bits + 7) / 8);

BN_bn2bin(session_key_n, buf + host_key_bytes);

memcpy(buf + (host_key_bits + 7) / 8 + (session_key_bits + 7) / 8, cookie, 8);

MD5_Init(&md);

MD5_Update(&md, buf, bytes);

MD5_Update(&md, cookie, 8);

MD5_Final(session_id, &md);

memset(buf, 0, bytes);

xfree(buf);