Re: [PATCH] crypto: testmgr - Fix wrong test case of RSA
From: Herbert Xu
Date: Fri Nov 19 2021 - 23:30:57 EST
On Fri, Nov 05, 2021 at 08:25:31PM +0800, Lei He wrote:
> According to the BER encoding rules, integer value should be encoded
> as two's complement, and if the highest bit of a positive integer
> is 1, should add a leading zero-octet.
> The kernel's built-in RSA algorithm cannot recognize negative numbers
> when parsing keys, so it can pass this test case.
> Export the key to file and run the following command to verify the
> fix result:
> openssl asn1parse -inform DER -in /path/to/key/file
> Signed-off-by: Lei He <helei.sig11@xxxxxxxxxxxxx>
> crypto/testmgr.h | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
Patch applied. Thanks.
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt