dh: added a dh bignum implementation based on openssl

1 files changed, 16 insertions, 0 deletions

diff --git a/lib/lib5.h b/lib/lib5.h
index d78da21..da3868d 100644
--- a/lib/lib5.h
+++ b/lib/lib5.h
@@ -19,6 +19,17 @@ struct dh_param {
 	mpz_t s2;
 };
 
+struct dh_param_bignum {
+	BIGNUM *A;
+	BIGNUM *B;
+	BIGNUM *a;
+	BIGNUM *b;
+	BIGNUM *p;
+	BIGNUM *g;
+	BIGNUM *s1;
+	BIGNUM *s2;
+};
+
 // global openssl context for auxaliry results
 BN_CTX *ctx;
 BIO *out;
@@ -55,6 +66,11 @@ void dh_generate_secret_keys(struct dh_param *dh);
 void dh_generate_public_keys(struct dh_param *dh);
 void dh_get_session_key(struct dh_param *dh);
 void do_dh_key_exchange(struct dh_param *dh);
+void dh_init_bignum(struct dh_param_bignum *dh);
+void dh_generate_secret_keys_bignum(struct dh_param_bignum *dh);
+void dh_generate_public_keys_bignum(struct dh_param_bignum *dh);
+void dh_get_session_key_bignum(struct dh_param_bignum *dh);
+void do_dh_key_exchange_bignum(struct dh_param_bignum *dh);
 void sha1_key_from_dh(struct dh_param *dh, unsigned char *key);
 void dh_mitm(struct dh_param *dh);
 int rsa_decrypt_bignum(BIGNUM *message, BIGNUM *res, struct rsa_key_bignum *private);