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3 Commits

Author SHA1 Message Date
LABBE Corentin
9da75de030 crypto: sunxi-ss - Fix a possible driver hang with ciphers 
The sun4i_ss_opti_poll function cipher data until the output miter have
a length of 0.
If the crypto API client, give more SGs than necessary this could result
in an infinite loop.
Fix it by checking for remaining bytes, just like sun4i_ss_cipher_poll().

Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2015-09-10 17:22:55 +08:00
Chen-Yu Tsai
7ab64628bb crypto: sunxi-ss - Add optional reset control support 
On sun6i and later platforms, the reset control is split out of the
clock gates. Add support for an optional reset control.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2015-08-13 15:13:23 +08:00
LABBE Corentin
6298e94821 crypto: sunxi-ss - Add Allwinner Security System crypto accelerator 
Add support for the Security System included in Allwinner SoC A20.
The Security System is a hardware cryptographic accelerator that support:
- MD5 and SHA1 hash algorithms
- AES block cipher in CBC/ECB mode with 128/196/256bits keys.
- DES and 3DES block cipher in CBC/ECB mode

Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2015-07-20 15:54:08 +08:00