73 	BIGNUM *challenge;  in auth_rsa_generate_challenge()  local
76 	if ((challenge = BN_new()) == NULL)  in auth_rsa_generate_challenge()
79 	if (BN_rand(challenge, 256, 0, 0) == 0)  in auth_rsa_generate_challenge()
83 	if (BN_mod(challenge, challenge, key->rsa->n, ctx) == 0)  in auth_rsa_generate_challenge()
87 	return challenge;  in auth_rsa_generate_challenge()
91 auth_rsa_verify_response(Key *key, BIGNUM *challenge, u_char response[16])  in auth_rsa_verify_response()  argument
105 	len = BN_num_bytes(challenge);  in auth_rsa_verify_response()
109 	BN_bn2bin(challenge, buf + 32 - len);  in auth_rsa_verify_response()
133 	BIGNUM *challenge, *encrypted_challenge;  in auth_rsa_challenge_dialog()  local
140 	challenge = PRIVSEP(auth_rsa_generate_challenge(key));  in auth_rsa_challenge_dialog()
143 	rsa_public_encrypt(encrypted_challenge, challenge, key->rsa);  in auth_rsa_challenge_dialog()
158 	success = PRIVSEP(auth_rsa_verify_response(key, challenge, response));  in auth_rsa_challenge_dialog()
159 	BN_clear_free(challenge);  in auth_rsa_challenge_dialog()