tree fb4c174af62c42f247f801ffb3af98d5c7323887
parent d8e4b24ffbbbc296e521eebd5525a3031bdbac51
author Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> 1539990112 +0300
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1547051925 +0100

crypto: cfb - fix decryption

commit fa4600734b74f74d9169c3015946d4722f8bcf79 upstream.

crypto_cfb_decrypt_segment() incorrectly XOR'ed generated keystream with
IV, rather than with data stream, resulting in incorrect decryption.
Test vectors will be added in the next patch.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>