diff options
Diffstat (limited to 'openssl-1.1.0h/test/srptest.c')
| -rw-r--r-- | openssl-1.1.0h/test/srptest.c | 312 |
1 files changed, 312 insertions, 0 deletions
diff --git a/openssl-1.1.0h/test/srptest.c b/openssl-1.1.0h/test/srptest.c new file mode 100644 index 0000000..73b3881 --- /dev/null +++ b/openssl-1.1.0h/test/srptest.c @@ -0,0 +1,312 @@ +/* + * Copyright 2011-2016 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 <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; + 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; + unsigned char rand_tmp[RANDOM_SIZE]; + /* use builtin 1024-bit params */ + const SRP_gN *GN = SRP_get_default_gN("1024"); + + 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; + } + + showbn("N", GN->N); + showbn("g", GN->g); + showbn("Salt", s); + showbn("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); + + /* Server's first message */ + Bpub = SRP_Calc_B(b, GN->N, GN->g, v); + showbn("B", Bpub); + + if (!SRP_Verify_B_mod_N(Bpub, GN->N)) { + fprintf(stderr, "Invalid B\n"); + return -1; + } + + /* 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); + + /* Client's response */ + Apub = SRP_Calc_A(a, GN->N, GN->g); + showbn("A", Apub); + + if (!SRP_Verify_A_mod_N(Apub, GN->N)) { + fprintf(stderr, "Invalid A\n"); + return -1; + } + + /* 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); + + /* Server's key */ + Kserver = SRP_Calc_server_key(Apub, v, u, b, GN->N); + showbn("Server's key", Kserver); + + if (BN_cmp(Kclient, Kserver) == 0) { + ret = 0; + } else { + fprintf(stderr, "Keys mismatch\n"); + ret = 1; + } + + 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 check_bn(const char *name, const BIGNUM *bn, const char *hexbn) +{ + BIGNUM *tmp = NULL; + int rv; + if (BN_hex2bn(&tmp, hexbn) == 0) + return 0; + rv = BN_cmp(bn, tmp); + if (rv == 0) { + printf("%s = ", name); + BN_print_fp(stdout, bn); + printf("\n"); + BN_free(tmp); + return 1; + } + printf("Unexpected %s value\n", name); + printf("Expecting: "); + BN_print_fp(stdout, tmp); + printf("\nReceived: "); + BN_print_fp(stdout, bn); + printf("\n"); + BN_free(tmp); + return 0; +} + +/* 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 = SRP_get_default_gN("1024"); + + if (GN == NULL) { + fprintf(stderr, "Failed to get SRP parameters\n"); + goto err; + } + BN_hex2bn(&s, "BEB25379D1A8581EB5A727673A2441EE"); + /* Set up server's password entry */ + if (!SRP_create_verifier_BN("alice", "password123", &s, &v, GN->N, + GN->g)) { + fprintf(stderr, "Failed to create SRP verifier\n"); + goto err; + } + + if (!check_bn("v", v, + "7E273DE8696FFC4F4E337D05B4B375BEB0DDE1569E8FA00A9886D812" + "9BADA1F1822223CA1A605B530E379BA4729FDC59F105B4787E5186F5" + "C671085A1447B52A48CF1970B4FB6F8400BBF4CEBFBB168152E08AB5" + "EA53D15C1AFF87B2B9DA6E04E058AD51CC72BFC9033B564E26480D78" + "E955A5E29E7AB245DB2BE315E2099AFB")) + goto err; + + /* Server random */ + BN_hex2bn(&b, "E487CB59D31AC550471E81F00F6928E01DDA08E974A004F49E61F5D1" + "05284D20"); + + /* Server's first message */ + Bpub = SRP_Calc_B(b, GN->N, GN->g, v); + + if (!SRP_Verify_B_mod_N(Bpub, GN->N)) { + fprintf(stderr, "Invalid B\n"); + goto err; + } + + if (!check_bn("B", Bpub, + "BD0C61512C692C0CB6D041FA01BB152D4916A1E77AF46AE105393011" + "BAF38964DC46A0670DD125B95A981652236F99D9B681CBF87837EC99" + "6C6DA04453728610D0C6DDB58B318885D7D82C7F8DEB75CE7BD4FBAA" + "37089E6F9C6059F388838E7A00030B331EB76840910440B1B27AAEAE" + "EB4012B7D7665238A8E3FB004B117B58")) + goto err; + + /* Client random */ + BN_hex2bn(&a, "60975527035CF2AD1989806F0407210BC81EDC04E2762A56AFD529DD" + "DA2D4393"); + + /* Client's response */ + Apub = SRP_Calc_A(a, GN->N, GN->g); + + if (!SRP_Verify_A_mod_N(Apub, GN->N)) { + fprintf(stderr, "Invalid A\n"); + return -1; + } + + if (!check_bn("A", Apub, + "61D5E490F6F1B79547B0704C436F523DD0E560F0C64115BB72557EC4" + "4352E8903211C04692272D8B2D1A5358A2CF1B6E0BFCF99F921530EC" + "8E39356179EAE45E42BA92AEACED825171E1E8B9AF6D9C03E1327F44" + "BE087EF06530E69F66615261EEF54073CA11CF5858F0EDFDFE15EFEA" + "B349EF5D76988A3672FAC47B0769447B")) + goto err; + + /* Both sides calculate u */ + u = SRP_Calc_u(Apub, Bpub, GN->N); + + if (!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); + if (!check_bn("Client's key", Kclient, + "B0DC82BABCF30674AE450C0287745E7990A3381F63B387AAF271A10D" + "233861E359B48220F7C4693C9AE12B0A6F67809F0876E2D013800D6C" + "41BB59B6D5979B5C00A172B4A2A5903A0BDCAF8A709585EB2AFAFA8F" + "3499B200210DCC1F10EB33943CD67FC88A2F39A4BE5BEC4EC0A3212D" + "C346D7E474B29EDE8A469FFECA686E5A")) + goto err; + /* Server's key */ + Kserver = SRP_Calc_server_key(Apub, v, u, b, GN->N); + if (!check_bn("Server's key", Kserver, + "B0DC82BABCF30674AE450C0287745E7990A3381F63B387AAF271A10D" + "233861E359B48220F7C4693C9AE12B0A6F67809F0876E2D013800D6C" + "41BB59B6D5979B5C00A172B4A2A5903A0BDCAF8A709585EB2AFAFA8F" + "3499B200210DCC1F10EB33943CD67FC88A2F39A4BE5BEC4EC0A3212D" + "C346D7E474B29EDE8A469FFECA686E5A")) + goto err; + + 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; +} + +int main(int argc, char **argv) +{ + BIO *bio_err; + bio_err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT); + + CRYPTO_set_mem_debug(1); + CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); + + + /* "Negative" test, expect a mismatch */ + if (run_srp("alice", "password1", "password2") == 0) { + fprintf(stderr, "Mismatched SRP run failed\n"); + return 1; + } + + /* "Positive" test, should pass */ + if (run_srp("alice", "password", "password") != 0) { + fprintf(stderr, "Plain SRP run failed\n"); + return 1; + } + + /* KAT from RFC5054: should pass */ + if (run_srp_kat() != 1) { + fprintf(stderr, "SRP KAT failed\n"); + return 1; + } + +#ifndef OPENSSL_NO_CRYPTO_MDEBUG + if (CRYPTO_mem_leaks(bio_err) <= 0) + return 1; +#endif + BIO_free(bio_err); + + return 0; +} +#endif |