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[CRYPTO]: Fix XTEA implementation

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The XTEA implementation was incorrect due to a misinterpretation of
operator precedence.  Because of the wide-spread nature of this
error, the erroneous implementation will be kept, albeit under the
new name of XETA.

Signed-off-by: Aaron Grothe <ajgrothe@yahoo.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Aaron Grothe
2005-09-01 17:42:46 -07:00
committed by David S. Miller
parent 75c80c382f
commit fb4f10ed50
5 changed files with 207 additions and 29 deletions
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11
crypto/tcrypt.c
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@@ -72,7 +72,7 @@ static char *check[] = {
"des", "md5", "des3_ede", "rot13", "sha1", "sha256", "blowfish",
"twofish", "serpent", "sha384", "sha512", "md4", "aes", "cast6",
"arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
"khazad", "wp512", "wp384", "wp256", "tnepres", NULL
"khazad", "wp512", "wp384", "wp256", "tnepres", "xeta", NULL
};
static void hexdump(unsigned char *buf, unsigned int len)
@@ -859,6 +859,10 @@ static void do_test(void)
test_cipher ("anubis", MODE_CBC, ENCRYPT, anubis_cbc_enc_tv_template, ANUBIS_CBC_ENC_TEST_VECTORS);
test_cipher ("anubis", MODE_CBC, DECRYPT, anubis_cbc_dec_tv_template, ANUBIS_CBC_ENC_TEST_VECTORS);
//XETA
test_cipher ("xeta", MODE_ECB, ENCRYPT, xeta_enc_tv_template, XETA_ENC_TEST_VECTORS);
test_cipher ("xeta", MODE_ECB, DECRYPT, xeta_dec_tv_template, XETA_DEC_TEST_VECTORS);
test_hash("sha384", sha384_tv_template, SHA384_TEST_VECTORS);
test_hash("sha512", sha512_tv_template, SHA512_TEST_VECTORS);
test_hash("wp512", wp512_tv_template, WP512_TEST_VECTORS);
@@ -1016,6 +1020,11 @@ static void do_test(void)
case 29:
test_hash("tgr128", tgr128_tv_template, TGR128_TEST_VECTORS);
break;
case 30:
test_cipher ("xeta", MODE_ECB, ENCRYPT, xeta_enc_tv_template, XETA_ENC_TEST_VECTORS);
test_cipher ("xeta", MODE_ECB, DECRYPT, xeta_dec_tv_template, XETA_DEC_TEST_VECTORS);
break;
#ifdef CONFIG_CRYPTO_HMAC
case 100: