int
sshbuf_put_u16(struct sshbuf *buf, u_int16_t val)
{
u_char *p;
int r;
if ((r = sshbuf_reserve(buf, 2, &p)) < 0)
return r;
POKE_U16(p, val);
return 0;
}
int
sshbuf_put_bignum1(struct sshbuf *buf, const BIGNUM *v)
{
int r, len_bits = BN_num_bits(v);
size_t len_bytes = (len_bits + 7) / 8;
u_char d[SSHBUF_MAX_BIGNUM], *dp;
if (len_bits < 0 || len_bytes > SSHBUF_MAX_BIGNUM)
return SSH_ERR_INVALID_ARGUMENT;
if (BN_bn2bin(v, d) != (int)len_bytes)
return SSH_ERR_INTERNAL_ERROR; /* Shouldn't happen */
if ((r = sshbuf_reserve(buf, len_bytes + 2, &dp)) < 0) {
bzero(d, sizeof(d));
return r;
}
POKE_U16(dp, len_bits);
memcpy(dp + 2, d, len_bytes);
bzero(d, sizeof(d));
return 0;
}
