Accelerated LRW
@param ct Ciphertext
@param pt Plaintext
@param blocks The number of complete blocks to process
@param IV The initial value (input/output)
@param tweak The LRW tweak
@param skey The scheduled key context
@return CRYPT_OK if successful
Accelerated LRW @param ct Ciphertext @param pt Plaintext @param blocks The number of complete blocks to process @param IV The initial value (input/output) @param tweak The LRW tweak @param skey The scheduled key context @return CRYPT_OK if successful