diff options
| author | Kim Phillips <kim.phillips@freescale.com> | 2010-05-19 19:21:53 +1000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2010-05-19 19:21:53 +1000 |
| commit | 60f208d7836216885cdcd6f77a02f31dbc66f169 (patch) | |
| tree | 03458188b947e1cddf5d0f34b316935e470f7147 /drivers/crypto/talitos.h | |
| parent | 497f2e6b8b21407625a4fb34bc04b50eff098085 (diff) | |
crypto: talitos - add support for sha224
SEC h/w versions 2.1 and above support sha224 via explicit instruction.
Performing sha224 ahashes on earlier versions is still possible because
they support sha256 (sha224 is sha256 with different initial constants
and a different truncation length). We do this by overriding hardware
context self-initialization, and perform it manually in s/w instead.
Thanks to Lee for his fixes for correct execution on actual sec2.0 h/w.
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off by: Lee Nipper <lee.nipper@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/talitos.h')
| -rw-r--r-- | drivers/crypto/talitos.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/crypto/talitos.h b/drivers/crypto/talitos.h index 05c57b730e99..0b746aca4587 100644 --- a/drivers/crypto/talitos.h +++ b/drivers/crypto/talitos.h @@ -1,7 +1,7 @@ /* * Freescale SEC (talitos) device register and descriptor header defines * - * Copyright (c) 2006-2008 Freescale Semiconductor, Inc. + * Copyright (c) 2006-2010 Freescale Semiconductor, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -164,6 +164,7 @@ #define DESC_HDR_MODE0_MDEU_INIT cpu_to_be32(0x01000000) #define DESC_HDR_MODE0_MDEU_HMAC cpu_to_be32(0x00800000) #define DESC_HDR_MODE0_MDEU_PAD cpu_to_be32(0x00400000) +#define DESC_HDR_MODE0_MDEU_SHA224 cpu_to_be32(0x00300000) #define DESC_HDR_MODE0_MDEU_MD5 cpu_to_be32(0x00200000) #define DESC_HDR_MODE0_MDEU_SHA256 cpu_to_be32(0x00100000) #define DESC_HDR_MODE0_MDEU_SHA1 cpu_to_be32(0x00000000) @@ -187,6 +188,7 @@ #define DESC_HDR_MODE1_MDEU_INIT cpu_to_be32(0x00001000) #define DESC_HDR_MODE1_MDEU_HMAC cpu_to_be32(0x00000800) #define DESC_HDR_MODE1_MDEU_PAD cpu_to_be32(0x00000400) +#define DESC_HDR_MODE1_MDEU_SHA224 cpu_to_be32(0x00000300) #define DESC_HDR_MODE1_MDEU_MD5 cpu_to_be32(0x00000200) #define DESC_HDR_MODE1_MDEU_SHA256 cpu_to_be32(0x00000100) #define DESC_HDR_MODE1_MDEU_SHA1 cpu_to_be32(0x00000000) |