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tools: added twofish support
Signed-off-by: Supraja Meedinti <supraja0493@gmail.com> Reviewed-by: Nicolas George <george@nsup.org> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -77,6 +77,7 @@ struct hash_impl {
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#include "libavutil/aes.h"
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#include "libavutil/camellia.h"
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#include "libavutil/cast5.h"
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#include "libavutil/twofish.h"
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#define IMPL_USE_lavu IMPL_USE
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@ -133,6 +134,15 @@ static void run_lavu_cast128(uint8_t *output,
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av_cast5_crypt(cast, output, input, size >> 3, 0);
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}
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static void run_lavu_twofish(uint8_t *output,
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const uint8_t *input, unsigned size)
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{
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static struct AVTWOFISH *twofish;
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if (!twofish && !(twofish = av_twofish_alloc()))
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fatal_error("out of memory");
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av_twofish_init(twofish, hardcoded_key, 128);
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av_twofish_crypt(twofish, output, input, size >> 4, NULL, 0);
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}
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/***************************************************************************
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* crypto: OpenSSL's libcrypto
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***************************************************************************/
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@ -250,6 +260,16 @@ static void run_gcrypt_cast128(uint8_t *output,
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gcry_cipher_encrypt(cast, output, size, input, size);
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}
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static void run_gcrypt_twofish(uint8_t *output,
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const uint8_t *input, unsigned size)
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{
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static gcry_cipher_hd_t twofish;
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if (!twofish)
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gcry_cipher_open(&twofish, GCRY_CIPHER_TWOFISH128, GCRY_CIPHER_MODE_ECB, 0);
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gcry_cipher_setkey(twofish, hardcoded_key, 16);
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gcry_cipher_encrypt(twofish, output, size, input, size);
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}
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#define IMPL_USE_gcrypt(...) IMPL_USE(__VA_ARGS__)
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#else
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#define IMPL_USE_gcrypt(...) /* ignore */
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@ -314,6 +334,19 @@ static void run_tomcrypt_cast128(uint8_t *output,
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cast5_ecb_encrypt(input + i, output + i, &cast);
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}
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static void run_tomcrypt_twofish(uint8_t *output,
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const uint8_t *input, unsigned size)
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{
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symmetric_key twofish;
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unsigned i;
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twofish_setup(hardcoded_key, 16, 0, &twofish);
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size -= 15;
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for (i = 0; i < size; i += 16)
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twofish_ecb_encrypt(input + i, output + i, &twofish);
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}
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#define IMPL_USE_tomcrypt(...) IMPL_USE(__VA_ARGS__)
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#else
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#define IMPL_USE_tomcrypt(...) /* ignore */
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@ -398,6 +431,9 @@ struct hash_impl implementations[] = {
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IMPL_ALL("AES-128", aes128, "crc:ff6bc888")
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IMPL_ALL("CAMELLIA", camellia, "crc:7abb59a7")
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IMPL_ALL("CAST-128", cast128, "crc:456aa584")
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IMPL(lavu, "TWOFISH", twofish, "crc:9edbd5c1")
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IMPL(gcrypt, "TWOFISH", twofish, "crc:9edbd5c1")
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IMPL(tomcrypt, "TWOFISH", twofish, "crc:9edbd5c1")
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};
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int main(int argc, char **argv)
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