+/*
+ * Copyright 2011-2017 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
#include <openssl/opensslconf.h>
-#ifdef OPENSSL_NO_SRP
+# include "testutil.h"
+#ifdef OPENSSL_NO_SRP
# include <stdio.h>
-
-int main(int argc, char *argv[])
-{
- printf("No SRP support\n");
- return (0);
-}
-
#else
# include <openssl/srp.h>
# include <openssl/rand.h>
# include <openssl/err.h>
-static void showbn(const char *name, const BIGNUM *bn)
-{
- fputs(name, stdout);
- fputs(" = ", stdout);
- BN_print_fp(stdout, bn);
- putc('\n', stdout);
-}
-
# define RANDOM_SIZE 32 /* use 256 bits on each side */
static int run_srp(const char *username, const char *client_pass,
const char *server_pass)
{
- int ret = -1;
+ int ret = 0;
BIGNUM *s = NULL;
BIGNUM *v = NULL;
BIGNUM *a = NULL;
BIGNUM *Kserver = NULL;
unsigned char rand_tmp[RANDOM_SIZE];
/* use builtin 1024-bit params */
- const SRP_gN *GN = SRP_get_default_gN("1024");
+ const SRP_gN *GN;
+
+ if (!TEST_ptr(GN = SRP_get_default_gN("1024")))
+ return 0;
- if (GN == NULL) {
- fprintf(stderr, "Failed to get SRP parameters\n");
- return -1;
- }
/* Set up server's password entry */
- if (!SRP_create_verifier_BN(username, server_pass, &s, &v, GN->N, GN->g)) {
- fprintf(stderr, "Failed to create SRP verifier\n");
- return -1;
- }
+ if (!TEST_true(SRP_create_verifier_BN(username, server_pass,
+ &s, &v, GN->N, GN->g)))
+ goto end;
- showbn("N", GN->N);
- showbn("g", GN->g);
- showbn("Salt", s);
- showbn("Verifier", v);
+ test_output_bignum("N", GN->N);
+ test_output_bignum("g", GN->g);
+ test_output_bignum("Salt", s);
+ test_output_bignum("Verifier", v);
/* Server random */
RAND_bytes(rand_tmp, sizeof(rand_tmp));
b = BN_bin2bn(rand_tmp, sizeof(rand_tmp), NULL);
- /* TODO - check b != 0 */
- showbn("b", b);
+ if (!TEST_BN_ne_zero(b))
+ goto end;
+ test_output_bignum("b", b);
/* Server's first message */
Bpub = SRP_Calc_B(b, GN->N, GN->g, v);
- showbn("B", Bpub);
+ test_output_bignum("B", Bpub);
- if (!SRP_Verify_B_mod_N(Bpub, GN->N)) {
- fprintf(stderr, "Invalid B\n");
- return -1;
- }
+ if (!TEST_true(SRP_Verify_B_mod_N(Bpub, GN->N)))
+ goto end;
/* Client random */
RAND_bytes(rand_tmp, sizeof(rand_tmp));
a = BN_bin2bn(rand_tmp, sizeof(rand_tmp), NULL);
- /* TODO - check a != 0 */
- showbn("a", a);
+ if (!TEST_BN_ne_zero(a))
+ goto end;
+ test_output_bignum("a", a);
/* Client's response */
Apub = SRP_Calc_A(a, GN->N, GN->g);
- showbn("A", Apub);
+ test_output_bignum("A", Apub);
- if (!SRP_Verify_A_mod_N(Apub, GN->N)) {
- fprintf(stderr, "Invalid A\n");
- return -1;
- }
+ if (!TEST_true(SRP_Verify_A_mod_N(Apub, GN->N)))
+ goto end;
/* Both sides calculate u */
u = SRP_Calc_u(Apub, Bpub, GN->N);
/* Client's key */
x = SRP_Calc_x(s, username, client_pass);
Kclient = SRP_Calc_client_key(GN->N, Bpub, GN->g, x, a, u);
- showbn("Client's key", Kclient);
+ test_output_bignum("Client's key", Kclient);
/* Server's key */
Kserver = SRP_Calc_server_key(Apub, v, u, b, GN->N);
- showbn("Server's key", Kserver);
+ test_output_bignum("Server's key", Kserver);
+
+ if (!TEST_BN_eq(Kclient, Kserver))
+ goto end;
- if (BN_cmp(Kclient, Kserver) == 0) {
- ret = 0;
- } else {
- fprintf(stderr, "Keys mismatch\n");
- ret = 1;
- }
+ ret = 1;
+end:
BN_clear_free(Kclient);
BN_clear_free(Kserver);
BN_clear_free(x);
return ret;
}
-int main(int argc, char **argv)
+static int check_bn(const char *name, const BIGNUM *bn, const char *hexbn)
{
- BIO *bio_err;
- bio_err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
+ BIGNUM *tmp = NULL;
+ int r;
+
+ if (!TEST_true(BN_hex2bn(&tmp, hexbn)))
+ return 0;
+
+ if (BN_cmp(bn, tmp) != 0)
+ TEST_error("unexpected %s value", name);
+ r = TEST_BN_eq(bn, tmp);
+ BN_free(tmp);
+ return r;
+}
+
+/* SRP test vectors from RFC5054 */
+static int run_srp_kat(void)
+{
+ int ret = 0;
+ BIGNUM *s = NULL;
+ BIGNUM *v = NULL;
+ BIGNUM *a = NULL;
+ BIGNUM *b = NULL;
+ BIGNUM *u = NULL;
+ BIGNUM *x = NULL;
+ BIGNUM *Apub = NULL;
+ BIGNUM *Bpub = NULL;
+ BIGNUM *Kclient = NULL;
+ BIGNUM *Kserver = NULL;
+ /* use builtin 1024-bit params */
+ const SRP_gN *GN;
+
+ if (!TEST_ptr(GN = SRP_get_default_gN("1024")))
+ goto err;
+ BN_hex2bn(&s, "BEB25379D1A8581EB5A727673A2441EE");
+ /* Set up server's password entry */
+ if (!TEST_true(SRP_create_verifier_BN("alice", "password123", &s, &v, GN->N,
+ GN->g)))
+ goto err;
+
+ TEST_info("checking v");
+ if (!TEST_true(check_bn("v", v,
+ "7E273DE8696FFC4F4E337D05B4B375BEB0DDE1569E8FA00A9886D812"
+ "9BADA1F1822223CA1A605B530E379BA4729FDC59F105B4787E5186F5"
+ "C671085A1447B52A48CF1970B4FB6F8400BBF4CEBFBB168152E08AB5"
+ "EA53D15C1AFF87B2B9DA6E04E058AD51CC72BFC9033B564E26480D78"
+ "E955A5E29E7AB245DB2BE315E2099AFB")))
+ goto err;
+ TEST_note(" okay");
+
+ /* Server random */
+ BN_hex2bn(&b, "E487CB59D31AC550471E81F00F6928E01DDA08E974A004F49E61F5D1"
+ "05284D20");
+
+ /* Server's first message */
+ Bpub = SRP_Calc_B(b, GN->N, GN->g, v);
+ if (!TEST_true(SRP_Verify_B_mod_N(Bpub, GN->N)))
+ goto err;
+
+ TEST_info("checking B");
+ if (!TEST_true(check_bn("B", Bpub,
+ "BD0C61512C692C0CB6D041FA01BB152D4916A1E77AF46AE105393011"
+ "BAF38964DC46A0670DD125B95A981652236F99D9B681CBF87837EC99"
+ "6C6DA04453728610D0C6DDB58B318885D7D82C7F8DEB75CE7BD4FBAA"
+ "37089E6F9C6059F388838E7A00030B331EB76840910440B1B27AAEAE"
+ "EB4012B7D7665238A8E3FB004B117B58")))
+ goto err;
+ TEST_note(" okay");
- CRYPTO_set_mem_debug(1);
- CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+ /* Client random */
+ BN_hex2bn(&a, "60975527035CF2AD1989806F0407210BC81EDC04E2762A56AFD529DD"
+ "DA2D4393");
+
+ /* Client's response */
+ Apub = SRP_Calc_A(a, GN->N, GN->g);
+ if (!TEST_true(SRP_Verify_A_mod_N(Apub, GN->N)))
+ goto err;
+
+ TEST_info("checking A");
+ if (!TEST_true(check_bn("A", Apub,
+ "61D5E490F6F1B79547B0704C436F523DD0E560F0C64115BB72557EC4"
+ "4352E8903211C04692272D8B2D1A5358A2CF1B6E0BFCF99F921530EC"
+ "8E39356179EAE45E42BA92AEACED825171E1E8B9AF6D9C03E1327F44"
+ "BE087EF06530E69F66615261EEF54073CA11CF5858F0EDFDFE15EFEA"
+ "B349EF5D76988A3672FAC47B0769447B")))
+ goto err;
+ TEST_note(" okay");
+
+ /* Both sides calculate u */
+ u = SRP_Calc_u(Apub, Bpub, GN->N);
+
+ if (!TEST_true(check_bn("u", u,
+ "CE38B9593487DA98554ED47D70A7AE5F462EF019")))
+ goto err;
+
+ /* Client's key */
+ x = SRP_Calc_x(s, "alice", "password123");
+ Kclient = SRP_Calc_client_key(GN->N, Bpub, GN->g, x, a, u);
+ TEST_info("checking client's key");
+ if (!TEST_true(check_bn("Client's key", Kclient,
+ "B0DC82BABCF30674AE450C0287745E7990A3381F63B387AAF271A10D"
+ "233861E359B48220F7C4693C9AE12B0A6F67809F0876E2D013800D6C"
+ "41BB59B6D5979B5C00A172B4A2A5903A0BDCAF8A709585EB2AFAFA8F"
+ "3499B200210DCC1F10EB33943CD67FC88A2F39A4BE5BEC4EC0A3212D"
+ "C346D7E474B29EDE8A469FFECA686E5A")))
+ goto err;
+ TEST_note(" okay");
+
+ /* Server's key */
+ Kserver = SRP_Calc_server_key(Apub, v, u, b, GN->N);
+ TEST_info("checking server's key");
+ if (!TEST_true(check_bn("Server's key", Kserver,
+ "B0DC82BABCF30674AE450C0287745E7990A3381F63B387AAF271A10D"
+ "233861E359B48220F7C4693C9AE12B0A6F67809F0876E2D013800D6C"
+ "41BB59B6D5979B5C00A172B4A2A5903A0BDCAF8A709585EB2AFAFA8F"
+ "3499B200210DCC1F10EB33943CD67FC88A2F39A4BE5BEC4EC0A3212D"
+ "C346D7E474B29EDE8A469FFECA686E5A")))
+ goto err;
+ TEST_note(" okay");
+
+ ret = 1;
+
+err:
+ BN_clear_free(Kclient);
+ BN_clear_free(Kserver);
+ BN_clear_free(x);
+ BN_free(u);
+ BN_free(Apub);
+ BN_clear_free(a);
+ BN_free(Bpub);
+ BN_clear_free(b);
+ BN_free(s);
+ BN_clear_free(v);
+ return ret;
+}
+static int run_srp_tests(void)
+{
/* "Negative" test, expect a mismatch */
- if (run_srp("alice", "password1", "password2") == 0) {
- fprintf(stderr, "Mismatched SRP run failed\n");
- return 1;
- }
+ TEST_info("run_srp: expecting a mismatch");
+ if (!TEST_false(run_srp("alice", "password1", "password2")))
+ return 0;
/* "Positive" test, should pass */
- if (run_srp("alice", "password", "password") != 0) {
- fprintf(stderr, "Plain SRP run failed\n");
- return 1;
- }
-
-#ifndef OPENSSL_NO_CRYPTO_MDEBUG
- if (CRYPTO_mem_leaks(bio_err) <= 0)
- return 1;
-#endif
- BIO_free(bio_err);
+ TEST_info("run_srp: expecting a match");
+ if (!TEST_true(run_srp("alice", "password", "password")))
+ return 0;
- return 0;
+ return 1;
}
#endif
+
+int setup_tests(void)
+{
+#ifdef OPENSSL_NO_SRP
+ printf("No SRP support\n");
+#else
+ ADD_TEST(run_srp_tests);
+ ADD_TEST(run_srp_kat);
+#endif
+ return 1;
+}
projects / openssl.git / blobdiff