Re: [ANN] Acrypto asynchronous crypto layer 2.6.19 release.

[Evgeniy Polyakov <johnpol@2ka.mipt.ru>]

On Tue, Dec 19, 2006 at 11:51:01AM +0100, Andreas Jellinghaus (aj@ciphirelabs.com) wrote:
> Evgeniy Polyakov wrote:
> >You can change it in async_provider in compilation time or I can create
> >module version. There is an item in related todo list to use crypto
> >contexts, they were created exactly for such kind of things (actually
> >for hardware devices which do not support realtime key changes).
> 
> ok, what do I need to change to get aes-cbc-essiv:sha256 support
> so I can use acrypto with my current dm-crypt'ed partitions?

For AES CBC only set of supported operations should be extended.
Something like patch below:

diff --git a/acrypto/async_provider.c b/acrypto/async_provider.c
index ac11708..186cc5c 100644
--- a/acrypto/async_provider.c
+++ b/acrypto/async_provider.c
@@ -48,6 +48,12 @@ static struct acrypto_capability prov_caps[] = {
 		
 		{ACRYPTO_OP_ENCRYPT, ACRYPTO_TYPE_AES_128, ACRYPTO_MODE_CBC, 1000},
 		{ACRYPTO_OP_DECRYPT, ACRYPTO_TYPE_AES_128, ACRYPTO_MODE_CBC, 1000},
+		
+		{ACRYPTO_OP_ENCRYPT, ACRYPTO_TYPE_AES_192, ACRYPTO_MODE_CBC, 1000},
+		{ACRYPTO_OP_DECRYPT, ACRYPTO_TYPE_AES_192, ACRYPTO_MODE_CBC, 1000},
+		
+		{ACRYPTO_OP_ENCRYPT, ACRYPTO_TYPE_AES_256, ACRYPTO_MODE_CBC, 1000},
+		{ACRYPTO_OP_DECRYPT, ACRYPTO_TYPE_AES_256, ACRYPTO_MODE_CBC, 1000},
 };
 static int prov_cap_number = sizeof(prov_caps)/sizeof(prov_caps[0]);
 

-- 
	Evgeniy Polyakov