We are going to want to use this for other algorithms too.
Suggested-by: Mark Wooding <mdw@distorted.org.uk>
Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
{
uint8_t *lp = buf_unprepend(msg, 2);
if (!lp) return False;
{
uint8_t *lp = buf_unprepend(msg, 2);
if (!lp) return False;
- sig->siglen = get_uint16(lp);
- sig->sigstart = buf_unprepend(msg, sig->siglen);
- if (!sig->sigstart) return False;
+ sig->len = get_uint16(lp);
+ sig->start = buf_unprepend(msg, sig->len);
+ if (!sig->start) return False;
/* In `rsa_sig_check' below, we assume that we can write a nul
* terminator following the signature. Make sure there's enough space.
/* In `rsa_sig_check' below, we assume that we can write a nul
* terminator following the signature. Make sure there's enough space.
emsa_pkcs1(&st->n, &a, st->common.hashbuf, st->common.hashi->hlen);
/* Terminate signature with a '0' - already checked that this will fit */
emsa_pkcs1(&st->n, &a, st->common.hashbuf, st->common.hashi->hlen);
/* Terminate signature with a '0' - already checked that this will fit */
- int save = sig->sigstart[sig->siglen];
- sig->sigstart[sig->siglen] = 0;
- mpz_set_str(&b, sig->sigstart, 16);
- sig->sigstart[sig->siglen] = save;
+ int save = sig->start[sig->len];
+ sig->start[sig->len] = 0;
+ mpz_set_str(&b, sig->start, 16);
+ sig->start[sig->len] = save;
mpz_powm(&c, &b, &st->e, &st->n);
mpz_powm(&c, &b, &st->e, &st->n);
struct buffer_if;
struct alg_msg_data {
struct buffer_if;
struct alg_msg_data {
- uint8_t *sigstart;
- int32_t siglen;
+ uint8_t *start;
+ int32_t len;
};
/* PURE closure requires no interface */
};
/* PURE closure requires no interface */