On Thu, 22 Sep 2016, Herbert Xu wrote:
On Wed, Sep 21, 2016 at 04:39:30PM -0700, Mat Martineau wrote:
There was a regression in pkcs1pad signature verification, related
to signature verification, that you fixed in commit 27710b8ea3defcb:
There is a very similar problem in the decrypt operation, which was
not adjusted for the leading zero changes. See
I haven't had a chance to test a fix yet, but with the final 4.8
release coming up very soon I wanted to report the issue.
Thanks. This patch should fix the problem.
crypto: rsa-pkcs1pad - Handle leading zero for decryption
As the software RSA implementation now produces fixed-length
output, we need to eliminate leading zeros in the calling code
This patch does just that for pkcs1pad decryption while signature
verification was fixed in an earlier patch.
Fixes: 9b45b7bba3d2 ("crypto: rsa - Generate fixed-length output")
Reported-by: Mat Martineau <mathew.j.martin...@linux.intel.com>
Signed-off-by: Herbert Xu <herb...@gondor.apana.org.au>
This patch does fix the decrypt problem, my tests are now passing. Thank
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