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dh: Add ssh_dh_debug_crypto()

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We should call it where we have access to the crypto structure.

Pair-Programmed-With: Jakub Jelen <jjelen@redhat.com>
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
(cherry picked from commit 92d3efec81)
This commit is contained in:
Andreas Schneider
2019-08-06 20:29:01 +02:00
committed by Jakub Jelen
parent ae5146f7ba
commit 9ffaa12012
5 changed files with 48 additions and 25 deletions
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21
src/dh_crypto.c
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@@ -41,6 +41,27 @@ struct dh_ctx {
DH *keypair[2];
};
void ssh_dh_debug_crypto(struct ssh_crypto_struct *c)
{
#ifdef DEBUG_CRYPTO
const_bignum x = NULL, y = NULL, e = NULL, f = NULL;
ssh_dh_keypair_get_keys(c->dh_ctx, DH_CLIENT_KEYPAIR, &x, &e);
ssh_dh_keypair_get_keys(c->dh_ctx, DH_SERVER_KEYPAIR, &y, &f);
ssh_print_bignum("x", x);
ssh_print_bignum("y", y);
ssh_print_bignum("e", e);
ssh_print_bignum("f", f);
ssh_log_hexdump("Session server cookie", c->server_kex.cookie, 16);
ssh_log_hexdump("Session client cookie", c->client_kex.cookie, 16);
ssh_print_bignum("k", c->shared_secret);
#else
(void)c; /* UNUSED_PARAM */
#endif
}
int ssh_dh_keypair_get_keys(struct dh_ctx *ctx, int peer,
const_bignum *priv, const_bignum *pub)
{