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author | Richard Levitte <levitte@openssl.org> | 2015-03-26 21:33:18 +0100 |
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committer | Richard Levitte <levitte@openssl.org> | 2015-03-31 20:16:01 +0200 |
commit | dee502be89e78e2979e3bd1d7724cf79daa6ef61 (patch) | |
tree | 53e97582c488f1a484bd42e570de6a99768fd1df /test/srptest.c | |
parent | Ensure EC private keys retain leading zeros (diff) | |
download | openssl-dee502be89e78e2979e3bd1d7724cf79daa6ef61.tar.xz openssl-dee502be89e78e2979e3bd1d7724cf79daa6ef61.zip |
Stop symlinking, move files to intended directory
Rather than making include/openssl/foo.h a symlink to
crypto/foo/foo.h, this change moves the file to include/openssl/foo.h
once and for all.
Likewise, move crypto/foo/footest.c to test/footest.c, instead of
symlinking it there.
Originally-by: Geoff Thorpe <geoff@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
Diffstat (limited to 'test/srptest.c')
-rw-r--r-- | test/srptest.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/test/srptest.c b/test/srptest.c new file mode 100644 index 0000000000..1d463cd782 --- /dev/null +++ b/test/srptest.c @@ -0,0 +1,154 @@ +#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; +} + +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 |