Re: [PATCH v2 1/2] crypto: caam - fix pkcs1pad(rsa-caam, sha256) failure because of invalid input
- Date: Wed, 15 May 2019 12:45:32 +0000
- From: Horia Geanta <horia.geanta@xxxxxxx>
- Subject: Re: [PATCH v2 1/2] crypto: caam - fix pkcs1pad(rsa-caam, sha256) failure because of invalid input
On 5/15/2019 2:25 PM, Iuliana Prodan wrote:
> The problem is with the input data size sent to CAAM for encrypt/decrypt.
> Pkcs1pad is failing due to pkcs1 padding done in SW starting with0x01
> instead of 0x00 0x01.
> CAAM expects an input of modulus size. For this we strip the leading
> zeros in case the size is more than modulus or pad the input with zeros
> until the modulus size is reached.
> Signed-off-by: Iuliana Prodan <iuliana.prodan@xxxxxxx>
Reviewed-by: Horia Geantă <horia.geanta@xxxxxxx>