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| author | Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de> | 2012-07-11 19:38:12 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2012-08-01 17:47:30 +0800 |
| commit | 2b49b906729644dd4696b9291b7e2f6cd1266dc0 (patch) | |
| tree | 23efa38a81d4c7da484307ace9d37b137ced8efe /include/crypto | |
| parent | 4d6d6a2c850f89bc9283d02519cb536baba72032 (diff) | |
| download | lwn-2b49b906729644dd4696b9291b7e2f6cd1266dc0.tar.gz lwn-2b49b906729644dd4696b9291b7e2f6cd1266dc0.zip | |
crypto: cast6 - prepare generic module for optimized implementations
Rename cast6 module to cast6_generic to allow autoloading of optimized
implementations. Generic functions and s-boxes are exported to be able to use
them within optimized implementations.
Signed-off-by: Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto')
| -rw-r--r-- | include/crypto/cast6.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/crypto/cast6.h b/include/crypto/cast6.h new file mode 100644 index 000000000000..02dde6b77e15 --- /dev/null +++ b/include/crypto/cast6.h @@ -0,0 +1,23 @@ +#ifndef _CRYPTO_CAST6_H +#define _CRYPTO_CAST6_H + +#include <linux/types.h> +#include <linux/crypto.h> + +#define CAST6_BLOCK_SIZE 16 +#define CAST6_MIN_KEY_SIZE 16 +#define CAST6_MAX_KEY_SIZE 32 + +struct cast6_ctx { + u32 Km[12][4]; + u8 Kr[12][4]; +}; + +int __cast6_setkey(struct cast6_ctx *ctx, const u8 *key, + unsigned int keylen, u32 *flags); +int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen); + +void __cast6_encrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src); +void __cast6_decrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src); + +#endif |