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Client mostly works up to password auth

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Need to rework algo-choosing etc, since server is now broken.

--HG--
extra : convert_revision : 458dc4eed0e885e7c91633d4781d3348213a0e19
This commit is contained in:
Matt Johnston
2004-07-28 16:44:16 +00:00
parent a76b1ba068
commit 2d82f73484
12 changed files with 57 additions and 14 deletions
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6
rsa.c
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@@ -205,6 +205,8 @@ int buf_rsa_verify(buffer * buf, rsa_key *key, const unsigned char* data,
mp_int *rsa_em = NULL;
int ret = DROPBEAR_FAILURE;
TRACE(("enter buf_rsa_verify"));
assert(key != NULL);
m_mp_init_multi(&rsa_mdash, &rsa_s, NULL);
@@ -217,6 +219,7 @@ int buf_rsa_verify(buffer * buf, rsa_key *key, const unsigned char* data,
if (mp_read_unsigned_bin(&rsa_s, buf_getptr(buf, buf->len - buf->pos),
buf->len - buf->pos) != MP_OKAY) {
TRACE(("failed reading rsa_s"));
goto out;
}
@@ -230,17 +233,20 @@ int buf_rsa_verify(buffer * buf, rsa_key *key, const unsigned char* data,
rsa_em = rsa_pad_em(key, data, len);
if (mp_exptmod(&rsa_s, key->e, key->n, &rsa_mdash) != MP_OKAY) {
TRACE(("failed exptmod rsa_s"));
goto out;
}
if (mp_cmp(rsa_em, &rsa_mdash) == MP_EQ) {
/* signature is valid */
TRACE(("success!"));
ret = DROPBEAR_SUCCESS;
}
out:
mp_clear_multi(rsa_em, &rsa_mdash, &rsa_s, NULL);
m_free(rsa_em);
TRACE(("leave buf_rsa_verify: ret %d", ret));
return ret;
}