void cipher_bench (char **argv, int argc) { int i, algo; bench_print_section ("cipher", "Cipher"); if (argv && argc) { for (i = 0; i < argc; i++) { algo = gcry_cipher_map_name (argv[i]); if (algo) _cipher_bench (algo); } } else { for (i = 1; i < 400; i++) if (!gcry_cipher_test_algo (i)) _cipher_bench (i); } }
static gboolean parse_dekinfo (const gchar *dek, int *algo, int *mode, guchar **iv) { gboolean success = FALSE; gchar **parts = NULL; gcry_error_t gcry; gsize ivlen, len; parts = g_strsplit (dek, ",", 2); if (!parts || !parts[0] || !parts[1]) goto done; /* Parse the algorithm name */ *algo = egg_openssl_parse_algo (parts[0], mode); if (!*algo) goto done; /* Make sure this is usable */ gcry = gcry_cipher_test_algo (*algo); if (gcry) goto done; /* Parse the IV */ ivlen = gcry_cipher_get_algo_blklen (*algo); *iv = egg_hex_decode (parts[1], strlen(parts[1]), &len); if (!*iv || ivlen != len) { g_free (*iv); goto done; } success = TRUE; done: g_strfreev (parts); return success; }
static void cipher_bench ( const char *algoname ) { static int header_printed; int algo; gcry_cipher_hd_t hd; int i; int keylen, blklen; char key[128]; char *outbuf, *buf; char *raw_outbuf, *raw_buf; size_t allocated_buflen, buflen; int repetitions; static struct { int mode; const char *name; int blocked; } modes[] = { { GCRY_CIPHER_MODE_ECB, " ECB/Stream", 1 }, { GCRY_CIPHER_MODE_CBC, " CBC", 1 }, { GCRY_CIPHER_MODE_CFB, " CFB", 0 }, { GCRY_CIPHER_MODE_OFB, " OFB", 0 }, { GCRY_CIPHER_MODE_CTR, " CTR", 0 }, { GCRY_CIPHER_MODE_STREAM, "", 0 }, {0} }; int modeidx; gcry_error_t err = GPG_ERR_NO_ERROR; if (!algoname) { for (i=1; i < 400; i++) if ( !gcry_cipher_test_algo (i) ) cipher_bench (gcry_cipher_algo_name (i)); return; } if (large_buffers) { allocated_buflen = 1024 * 100; repetitions = 10; } else { allocated_buflen = 1024; repetitions = 1000; } repetitions *= cipher_repetitions; raw_buf = gcry_xmalloc (allocated_buflen+15); buf = (raw_buf + ((16 - ((size_t)raw_buf & 0x0f)) % buffer_alignment)); outbuf = raw_outbuf = gcry_xmalloc (allocated_buflen+15); outbuf = (raw_outbuf + ((16 - ((size_t)raw_outbuf & 0x0f)) % buffer_alignment)); if (!header_printed) { if (cipher_repetitions != 1) printf ("Running each test %d times.\n", cipher_repetitions); printf ("%-12s", ""); for (modeidx=0; modes[modeidx].mode; modeidx++) if (*modes[modeidx].name) printf (" %-15s", modes[modeidx].name ); putchar ('\n'); printf ("%-12s", ""); for (modeidx=0; modes[modeidx].mode; modeidx++) if (*modes[modeidx].name) printf (" ---------------" ); putchar ('\n'); header_printed = 1; } algo = gcry_cipher_map_name (algoname); if (!algo) { fprintf (stderr, PGM ": invalid cipher algorithm `%s'\n", algoname); exit (1); } keylen = gcry_cipher_get_algo_keylen (algo); if (!keylen) { fprintf (stderr, PGM ": failed to get key length for algorithm `%s'\n", algoname); exit (1); } if ( keylen > sizeof key ) { fprintf (stderr, PGM ": algo %d, keylength problem (%d)\n", algo, keylen ); exit (1); } for (i=0; i < keylen; i++) key[i] = i + (clock () & 0xff); blklen = gcry_cipher_get_algo_blklen (algo); if (!blklen) { fprintf (stderr, PGM ": failed to get block length for algorithm `%s'\n", algoname); exit (1); } printf ("%-12s", gcry_cipher_algo_name (algo)); fflush (stdout); for (modeidx=0; modes[modeidx].mode; modeidx++) { if ((blklen > 1 && modes[modeidx].mode == GCRY_CIPHER_MODE_STREAM) | (blklen == 1 && modes[modeidx].mode != GCRY_CIPHER_MODE_STREAM)) continue; for (i=0; i < sizeof buf; i++) buf[i] = i; err = gcry_cipher_open (&hd, algo, modes[modeidx].mode, 0); if (err) { fprintf (stderr, PGM ": error opening cipher `%s'\n", algoname); exit (1); } if (!cipher_with_keysetup) { err = gcry_cipher_setkey (hd, key, keylen); if (err) { fprintf (stderr, "gcry_cipher_setkey failed: %s\n", gpg_strerror (err)); gcry_cipher_close (hd); exit (1); } } buflen = allocated_buflen; if (modes[modeidx].blocked) buflen = (buflen / blklen) * blklen; start_timer (); for (i=err=0; !err && i < repetitions; i++) { if (cipher_with_keysetup) { err = gcry_cipher_setkey (hd, key, keylen); if (err) { fprintf (stderr, "gcry_cipher_setkey failed: %s\n", gpg_strerror (err)); gcry_cipher_close (hd); exit (1); } } err = gcry_cipher_encrypt ( hd, outbuf, buflen, buf, buflen); } stop_timer (); printf (" %s", elapsed_time ()); fflush (stdout); gcry_cipher_close (hd); if (err) { fprintf (stderr, "gcry_cipher_encrypt failed: %s\n", gpg_strerror (err) ); exit (1); } err = gcry_cipher_open (&hd, algo, modes[modeidx].mode, 0); if (err) { fprintf (stderr, PGM ": error opening cipher `%s'/n", algoname); exit (1); } if (!cipher_with_keysetup) { err = gcry_cipher_setkey (hd, key, keylen); if (err) { fprintf (stderr, "gcry_cipher_setkey failed: %s\n", gpg_strerror (err)); gcry_cipher_close (hd); exit (1); } } start_timer (); for (i=err=0; !err && i < repetitions; i++) { if (cipher_with_keysetup) { err = gcry_cipher_setkey (hd, key, keylen); if (err) { fprintf (stderr, "gcry_cipher_setkey failed: %s\n", gpg_strerror (err)); gcry_cipher_close (hd); exit (1); } } err = gcry_cipher_decrypt ( hd, outbuf, buflen, buf, buflen); } stop_timer (); printf (" %s", elapsed_time ()); fflush (stdout); gcry_cipher_close (hd); if (err) { fprintf (stderr, "gcry_cipher_decrypt failed: %s\n", gpg_strerror (err) ); exit (1); } } putchar ('\n'); gcry_free (raw_buf); gcry_free (raw_outbuf); }
static void cipher_bench ( const char *algoname ) { static int header_printed; int algo; gcry_cipher_hd_t hd; int i; int keylen, blklen; char key[128]; char outbuf[1000], buf[1000]; size_t buflen; static struct { int mode; const char *name; int blocked; } modes[] = { { GCRY_CIPHER_MODE_ECB, "ECB", 1 }, { GCRY_CIPHER_MODE_CBC, "CBC", 1 }, { GCRY_CIPHER_MODE_CFB, "CFB", 0 }, { GCRY_CIPHER_MODE_CTR, "CTR", 0 }, { GCRY_CIPHER_MODE_STREAM, "STREAM", 0 }, {0} }; int modeidx; gcry_error_t err = GPG_ERR_NO_ERROR; if (!algoname) { for (i=1; i < 400; i++) if ( !gcry_cipher_test_algo (i) ) cipher_bench (gcry_cipher_algo_name (i)); return; } if (!header_printed) { printf ("%-10s", ""); for (modeidx=0; modes[modeidx].mode; modeidx++) printf (" %-15s", modes[modeidx].name ); putchar ('\n'); printf ("%-10s", ""); for (modeidx=0; modes[modeidx].mode; modeidx++) printf (" ---------------" ); putchar ('\n'); header_printed = 1; } algo = gcry_cipher_map_name (algoname); if (!algo) { fprintf (stderr, PGM ": invalid cipher algorithm `%s'\n", algoname); exit (1); } keylen = gcry_cipher_get_algo_keylen (algo); if (!keylen) { fprintf (stderr, PGM ": failed to get key length for algorithm `%s'\n", algoname); exit (1); } if ( keylen > sizeof key ) { fprintf (stderr, PGM ": algo %d, keylength problem (%d)\n", algo, keylen ); exit (1); } for (i=0; i < keylen; i++) key[i] = i + (clock () & 0xff); blklen = gcry_cipher_get_algo_blklen (algo); if (!blklen) { fprintf (stderr, PGM ": failed to get block length for algorithm `%s'\n", algoname); exit (1); } printf ("%-10s", gcry_cipher_algo_name (algo)); fflush (stdout); for (modeidx=0; modes[modeidx].mode; modeidx++) { if ((blklen > 1 && modes[modeidx].mode == GCRY_CIPHER_MODE_STREAM) | (blklen == 1 && modes[modeidx].mode != GCRY_CIPHER_MODE_STREAM)) { printf (" " ); continue; } for (i=0; i < sizeof buf; i++) buf[i] = i; err = gcry_cipher_open (&hd, algo, modes[modeidx].mode, 0); if (err) { fprintf (stderr, PGM ": error opening cipher `%s'\n", algoname); exit (1); } err = gcry_cipher_setkey (hd, key, keylen); if (err) { fprintf (stderr, "gcry_cipher_setkey failed: %s\n", gpg_strerror (err)); gcry_cipher_close (hd); exit (1); } buflen = sizeof buf; if (modes[modeidx].blocked) buflen = (buflen / blklen) * blklen; start_timer (); for (i=err=0; !err && i < 1000; i++) err = gcry_cipher_encrypt ( hd, outbuf, buflen, buf, buflen); stop_timer (); printf (" %s", elapsed_time ()); fflush (stdout); gcry_cipher_close (hd); if (err) { fprintf (stderr, "gcry_cipher_encrypt failed: %s\n", gpg_strerror (err) ); exit (1); } err = gcry_cipher_open (&hd, algo, modes[modeidx].mode, 0); if (err) { fprintf (stderr, PGM ": error opening cipher `%s'/n", algoname); exit (1); } err = gcry_cipher_setkey (hd, key, keylen); if (err) { fprintf (stderr, "gcry_cipher_setkey failed: %s\n", gpg_strerror (err)); gcry_cipher_close (hd); exit (1); } start_timer (); for (i=err=0; !err && i < 1000; i++) err = gcry_cipher_decrypt ( hd, outbuf, buflen, buf, buflen); stop_timer (); printf (" %s", elapsed_time ()); fflush (stdout); gcry_cipher_close (hd); if (err) { fprintf (stderr, "gcry_cipher_decrypt failed: %s\n", gpg_strerror (err) ); exit (1); } } putchar ('\n'); }