124 строки
3.7 KiB
C
124 строки
3.7 KiB
C
#define LIBSSH_STATIC
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#include "torture.h"
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#include "pki.c"
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#include <sys/stat.h>
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#include <fcntl.h>
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#define LIBSSH_ED25519_TESTKEY "libssh_testkey.id_ed25519"
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const unsigned char HASH[] = "12345678901234567890";
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const uint8_t ref_signature[ED25519_SIG_LEN]=
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"\xbb\x8d\x55\x9f\x06\x14\x39\x24\xb4\xe1\x5a\x57\x3d\x9d\xbe\x22"
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"\x1b\xc1\x32\xd5\x55\x16\x00\x64\xce\xb4\xc3\xd2\xe3\x6f\x5e\x8d"
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"\x10\xa3\x18\x93\xdf\xa4\x96\x81\x11\x8e\x1e\x26\x14\x8a\x08\x1b"
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"\x01\x6a\x60\x59\x9c\x4a\x55\xa3\x16\x56\xf6\xc4\x50\x42\x7f\x03";
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static void torture_pki_ed25519_sign(void **state){
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ssh_key privkey;
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ssh_signature sig = ssh_signature_new();
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ssh_string blob;
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int rc;
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(void)state;
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rc = ssh_pki_import_privkey_base64(torture_get_testkey(SSH_KEYTYPE_ED25519,0,0), NULL, NULL, NULL, &privkey);
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assert_true(rc == SSH_OK);
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sig->type = SSH_KEYTYPE_ED25519;
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rc = pki_ed25519_sign(privkey, sig, HASH, sizeof(HASH));
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assert_true(rc == SSH_OK);
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blob = pki_signature_to_blob(sig);
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assert_true(blob != NULL);
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assert_int_equal(ssh_string_len(blob), sizeof(ref_signature));
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assert_memory_equal(ssh_string_data(blob), ref_signature, sizeof(ref_signature));
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/* ssh_print_hexa("signature", ssh_string_data(blob), ssh_string_len(blob)); */
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ssh_signature_free(sig);
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ssh_key_free(privkey);
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ssh_string_free(blob);
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}
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static void torture_pki_ed25519_verify(void **state){
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ssh_key pubkey;
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ssh_signature sig;
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ssh_string blob = ssh_string_new(ED25519_SIG_LEN);
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char *pkey_ptr = strdup(strchr(torture_get_testkey_pub(SSH_KEYTYPE_ED25519,0), ' ') + 1);
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char *ptr;
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int rc;
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(void) state;
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/* remove trailing comment */
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ptr = strchr(pkey_ptr, ' ');
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if(ptr != NULL){
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*ptr = '\0';
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}
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rc = ssh_pki_import_pubkey_base64(pkey_ptr, SSH_KEYTYPE_ED25519, &pubkey);
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assert_true(rc == SSH_OK);
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ssh_string_fill(blob, ref_signature, ED25519_SIG_LEN);
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sig = pki_signature_from_blob(pubkey, blob, SSH_KEYTYPE_ED25519);
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assert_true(sig != NULL);
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rc = pki_ed25519_verify(pubkey, sig, HASH, sizeof(HASH));
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assert_true(rc == SSH_OK);
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ssh_signature_free(sig);
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/* alter signature and expect false result */
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ssh_key_free(pubkey);
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ssh_string_free(blob);
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free(pkey_ptr);
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}
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static void torture_pki_ed25519_verify_bad(void **state){
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ssh_key pubkey;
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ssh_signature sig;
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ssh_string blob = ssh_string_new(ED25519_SIG_LEN);
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char *pkey_ptr = strdup(strchr(torture_get_testkey_pub(SSH_KEYTYPE_ED25519,0), ' ') + 1);
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char *ptr;
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int rc;
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int i;
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(void) state;
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/* remove trailing comment */
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ptr = strchr(pkey_ptr, ' ');
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if(ptr != NULL){
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*ptr = '\0';
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}
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rc = ssh_pki_import_pubkey_base64(pkey_ptr, SSH_KEYTYPE_ED25519, &pubkey);
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assert_true(rc == SSH_OK);
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/* alter signature and expect false result */
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for (i=0; i < ED25519_SIG_LEN; ++i){
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ssh_string_fill(blob, ref_signature, ED25519_SIG_LEN);
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((uint8_t *)ssh_string_data(blob))[i] ^= 0xff;
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sig = pki_signature_from_blob(pubkey, blob, SSH_KEYTYPE_ED25519);
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assert_true(sig != NULL);
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rc = pki_ed25519_verify(pubkey, sig, HASH, sizeof(HASH));
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assert_true(rc == SSH_ERROR);
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ssh_signature_free(sig);
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}
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ssh_key_free(pubkey);
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ssh_string_free(blob);
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free(pkey_ptr);
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}
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int torture_run_tests(void) {
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int rc;
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const struct CMUnitTest tests[] = {
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cmocka_unit_test(torture_pki_ed25519_sign),
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cmocka_unit_test(torture_pki_ed25519_verify),
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cmocka_unit_test(torture_pki_ed25519_verify_bad)
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};
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ssh_init();
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rc = cmocka_run_group_tests(tests, NULL, NULL);
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ssh_finalize();
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return rc;
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}
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