[CRYPTO]: Fix XTEA implementation

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>

1 files changed, 4 insertions, 1 deletions

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 256c0b1fed10..89299f4ffe12 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -219,7 +219,7 @@ config CRYPTO_CAST6
           described in RFC2612.
 
 config CRYPTO_TEA
-        tristate "TEA and XTEA cipher algorithms"
+        tristate "TEA, XTEA and XETA cipher algorithms"
         depends on CRYPTO
         help
           TEA cipher algorithm.
@@ -232,6 +232,9 @@ config CRYPTO_TEA
           the TEA algorithm to address a potential key weakness
           in the TEA algorithm.
 
+          Xtendend Encryption Tiny Algorithm is a mis-implementation 
+          of the XTEA algorithm for compatibility purposes.
+
 config CRYPTO_ARC4
         tristate "ARC4 cipher algorithm"
         depends on CRYPTO