tools/crypto_bench: add CAST5 support

Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>

tools/crypto_bench.c

@@ -75,6 +75,7 @@ struct hash_impl {
 #include "libavutil/sha512.h"
 #include "libavutil/ripemd.h"
 #include "libavutil/aes.h"
+#include "libavutil/cast5.h"
 
 #define IMPL_USE_lavu IMPL_USE
 
@@ -111,6 +112,16 @@ static void run_lavu_aes128(uint8_t *output,
     av_aes_crypt(aes, output, input, size >> 4, NULL, 0);
 }
 
+static void run_lavu_cast128(uint8_t *output,
+                             const uint8_t *input, unsigned size)
+{
+    static struct AVCAST5 *cast;
+    if (!cast && !(cast = av_cast5_alloc()))
+        fatal_error("out of memory");
+    av_cast5_init(cast, hardcoded_key, 128);
+    av_cast5_crypt(cast, output, input, size >> 3, 0);
+}
+
 /***************************************************************************
  * crypto: OpenSSL's libcrypto
  ***************************************************************************/
@@ -121,6 +132,7 @@ static void run_lavu_aes128(uint8_t *output,
 #include <openssl/sha.h>
 #include <openssl/ripemd.h>
 #include <openssl/aes.h>
+#include <openssl/cast.h>
 
 #define DEFINE_CRYPTO_WRAPPER(suffix, function)                              \
 static void run_crypto_ ## suffix(uint8_t *output,                           \
@@ -147,6 +159,17 @@ static void run_crypto_aes128(uint8_t *output,
         AES_encrypt(input + i, output + i, &aes);
 }
 
+static void run_crypto_cast128(uint8_t *output,
+                               const uint8_t *input, unsigned size)
+{
+    CAST_KEY cast;
+    unsigned i;
+
+    CAST_set_key(&cast, 16, hardcoded_key);
+    for (i = 0; i < size; i += 8)
+        CAST_ecb_encrypt(input + i, output + i, &cast, 1);
+}
+
 #define IMPL_USE_crypto(...) IMPL_USE(__VA_ARGS__)
 #else
 #define IMPL_USE_crypto(...) /* ignore */
@@ -183,6 +206,16 @@ static void run_gcrypt_aes128(uint8_t *output,
     gcry_cipher_encrypt(aes, output, size, input, size);
 }
 
+static void run_gcrypt_cast128(uint8_t *output,
+                              const uint8_t *input, unsigned size)
+{
+    static gcry_cipher_hd_t cast;
+    if (!cast)
+        gcry_cipher_open(&cast, GCRY_CIPHER_CAST5, GCRY_CIPHER_MODE_ECB, 0);
+    gcry_cipher_setkey(cast, hardcoded_key, 16);
+    gcry_cipher_encrypt(cast, output, size, input, size);
+}
+
 #define IMPL_USE_gcrypt(...) IMPL_USE(__VA_ARGS__)
 #else
 #define IMPL_USE_gcrypt(...) /* ignore */
@@ -224,6 +257,17 @@ static void run_tomcrypt_aes128(uint8_t *output,
         aes_ecb_encrypt(input + i, output + i, &aes);
 }
 
+static void run_tomcrypt_cast128(uint8_t *output,
+                                const uint8_t *input, unsigned size)
+{
+    symmetric_key cast;
+    unsigned i;
+
+    cast5_setup(hardcoded_key, 16, 0, &cast);
+    for (i = 0; i < size; i += 8)
+        cast5_ecb_encrypt(input + i, output + i, &cast);
+}
+
 #define IMPL_USE_tomcrypt(...) IMPL_USE(__VA_ARGS__)
 #else
 #define IMPL_USE_tomcrypt(...) /* ignore */
@@ -306,6 +350,7 @@ struct hash_impl implementations[] = {
                                       "7c25b9e118c200a189fcd5a01ef106a4e200061f3e97dbf50ba065745fd46bef")
     IMPL_ALL("RIPEMD-160", ripemd160, "62a5321e4fc8784903bb43ab7752c75f8b25af00")
     IMPL_ALL("AES-128",    aes128,    "crc:ff6bc888")
+    IMPL_ALL("CAST-128",   cast128,   "crc:456aa584")
 };
 
 int main(int argc, char **argv)