diff options
Diffstat (limited to 'crypto/srp/srptest.c')
-rw-r--r-- | crypto/srp/srptest.c | 290 |
1 files changed, 141 insertions, 149 deletions
diff --git a/crypto/srp/srptest.c b/crypto/srp/srptest.c index 04b66b4544..451c70e40f 100644 --- a/crypto/srp/srptest.c +++ b/crypto/srp/srptest.c @@ -1,162 +1,154 @@ #include <openssl/opensslconf.h> #ifdef OPENSSL_NO_SRP -#include <stdio.h> +# include <stdio.h> int main(int argc, char *argv[]) - { - printf("No SRP support\n"); - return(0); - } +{ + printf("No SRP support\n"); + return (0); +} #else -#include <openssl/srp.h> -#include <openssl/rand.h> -#include <openssl/err.h> +# 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; - } +{ + 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; - } +{ + 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 |