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authorHerbert Xu <herbert@gondor.apana.org.au>2007-12-05 21:08:36 +1100
committerHerbert Xu <herbert@gondor.apana.org.au>2008-01-11 08:16:44 +1100
commitecfc43292f68566c144afca966b46b371c26d56c (patch)
treeef332abe1573434836a90e188257a252ca9f896a /include/crypto
parent927eead52c958829ef62c8aa5da2751033a2cf98 (diff)
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[CRYPTO] skcipher: Add skcipher_geniv_alloc/skcipher_geniv_free
This patch creates the infrastructure to help the construction of givcipher templates that wrap around existing blkcipher/ablkcipher algorithms by adding an IV generator to them. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto')
-rw-r--r--include/crypto/internal/skcipher.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h
index c9402dd12d0..07e7c82324a 100644
--- a/include/crypto/internal/skcipher.h
+++ b/include/crypto/internal/skcipher.h
@@ -15,6 +15,9 @@
#include <crypto/algapi.h>
#include <crypto/skcipher.h>
+#include <linux/types.h>
+
+struct rtattr;
struct crypto_skcipher_spawn {
struct crypto_spawn base;
@@ -50,6 +53,21 @@ static inline struct crypto_ablkcipher *crypto_spawn_skcipher(
crypto_skcipher_mask(0)));
}
+const char *crypto_default_geniv(const struct crypto_alg *alg);
+
+struct crypto_instance *skcipher_geniv_alloc(struct crypto_template *tmpl,
+ struct rtattr **tb, u32 type,
+ u32 mask);
+void skcipher_geniv_free(struct crypto_instance *inst);
+int skcipher_geniv_init(struct crypto_tfm *tfm);
+void skcipher_geniv_exit(struct crypto_tfm *tfm);
+
+static inline struct crypto_ablkcipher *skcipher_geniv_cipher(
+ struct crypto_ablkcipher *geniv)
+{
+ return crypto_ablkcipher_crt(geniv)->base;
+}
+
static inline void *skcipher_givcrypt_reqctx(
struct skcipher_givcrypt_request *req)
{