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Add PBKDF2 benchmark.

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Milan Broz
2012-12-05 20:35:42 +01:00
parent 95daec798b
commit bd494d23c5
7 changed files with 89 additions and 25 deletions
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32
src/cryptsetup.c
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@@ -4,6 +4,7 @@
* Copyright (C) 2004, Christophe Saout <christophe@saout.de>
* Copyright (C) 2004-2007, Clemens Fruhwirth <clemens@endorphin.org>
* Copyright (C) 2009-2012, Red Hat, Inc. All rights reserved.
* Copyright (C) 2009-2012, Milan Broz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -422,6 +423,21 @@ out:
return r;
}
static int action_benchmark_kdf(const char *hash)
{
uint64_t kdf_iters;
int r;
r = crypt_benchmark_kdf(NULL, "pbkdf2", hash, "foo", 3, "bar", 3,
&kdf_iters);
if (r < 0)
log_std("PBKDF2-%-9s N/A\n", hash);
else
log_std("PBKDF2-%-9s %7" PRIu64 " iterations per second\n",
hash, kdf_iters);
return r;
}
static int action_benchmark(void)
{
static struct {
@@ -444,8 +460,6 @@ static int action_benchmark(void)
{ "twofish", "xts", 64, 16 },
{ NULL, NULL, 0, 0 }
};
const char *header = "# Tests are approximate using memory only (no storage IO).\n"
"# Algorithm | Key | Encryption | Decryption\n";
char cipher[MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN];
double enc_mbr = 0, dec_mbr = 0;
int key_size = (opt_key_size ?: DEFAULT_PLAIN_KEYBITS);
@@ -454,7 +468,10 @@ static int action_benchmark(void)
char *c;
int i, r;
if (opt_cipher) {
log_std("# Tests are approximate using memory only (no storage IO).\n");
if (opt_hash) {
r = action_benchmark_kdf(opt_hash);
} else if (opt_cipher) {
r = crypt_parse_name_and_mode(opt_cipher, cipher, NULL, cipher_mode);
if (r < 0) {
log_err(_("No known cipher specification pattern detected.\n"));
@@ -473,7 +490,7 @@ static int action_benchmark(void)
key_size / 8, iv_size, buffer_size,
&enc_mbr, &dec_mbr);
if (!r) {
log_std("%s", header);
log_std("# Algorithm | Key | Encryption | Decryption\n");
strncat(cipher, "-", MAX_CIPHER_LEN);
strncat(cipher, cipher_mode, MAX_CIPHER_LEN);
log_std("%12s %4db %5.1f MiB/s %5.1f MiB/s\n",
@@ -481,6 +498,11 @@ static int action_benchmark(void)
} else if (r == -ENOENT)
log_err(_("Cipher %s is not available.\n"), opt_cipher);
} else {
action_benchmark_kdf("sha1");
action_benchmark_kdf("sha256");
action_benchmark_kdf("sha512");
action_benchmark_kdf("ripemd160");
action_benchmark_kdf("whirlpool");
for (i = 0; bciphers[i].cipher; i++) {
r = crypt_benchmark(NULL, bciphers[i].cipher, bciphers[i].mode,
bciphers[i].key_size, bciphers[i].iv_size,
@@ -490,7 +512,7 @@ static int action_benchmark(void)
if (r == -ENOENT)
skipped++;
if (i == 0)
log_std("%s", header);
log_std("# Algorithm | Key | Encryption | Decryption\n");
snprintf(cipher, MAX_CIPHER_LEN, "%s-%s",
bciphers[i].cipher, bciphers[i].mode);