crypto: sha512 - Fix byte counter overflow in SHA-512
authorKent Yoder <key@linux.vnet.ibm.com>
Thu, 5 Apr 2012 12:34:20 +0000 (20:34 +0800)
committerPaul Gortmaker <paul.gortmaker@windriver.com>
Mon, 10 Feb 2014 21:11:38 +0000 (16:11 -0500)
commit9407270c29e59a669c77b8e31fb901561b7d7682
tree3a788c6c83cc32539c6ab6f38778ea47d9f5e922
parentf126b9e7d62a13fea31fdfeab2e471935326ee09
crypto: sha512 - Fix byte counter overflow in SHA-512

commit 25c3d30c918207556ae1d6e663150ebdf902186b upstream.

The current code only increments the upper 64 bits of the SHA-512 byte
counter when the number of bytes hashed happens to hit 2^64 exactly.

This patch increments the upper 64 bits whenever the lower 64 bits
overflows.

Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
crypto/sha512_generic.c