import OpenSSL-1.0.1c

1 files changed, 162 insertions, 0 deletions

diff --git a/src/lib/libcrypto/srp/srptest.c b/src/lib/libcrypto/srp/srptest.c
new file mode 100644
index 0000000000..04b66b4544
--- /dev/null
+++ b/src/lib/libcrypto/srp/srptest.c
@@ -0,0 +1,162 @@
+#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 */
+        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_pseudo_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_pseudo_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;
+        }
+
+int main(int argc, char **argv)
+        {
+        BIO *bio_err;
+        bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
+
+        CRYPTO_malloc_debug_init();
+        CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
+        CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+
+        ERR_load_crypto_strings();
+
+        /* "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;
+                }
+
+        CRYPTO_cleanup_all_ex_data();
+        ERR_remove_thread_state(NULL);
+        ERR_free_strings();
+        CRYPTO_mem_leaks(bio_err);
+
+        return 0;
+        }
+#endif