[CRYPTO] skcipher: Added geniv field
This patch introduces the geniv field which indicates the default IV
generator for each algorithm. It should point to a string that is not
freed as long as the algorithm is registered.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index e403d81..8f48b4d 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -96,6 +96,7 @@
seq_printf(m, "min keysize : %u\n", ablkcipher->min_keysize);
seq_printf(m, "max keysize : %u\n", ablkcipher->max_keysize);
seq_printf(m, "ivsize : %u\n", ablkcipher->ivsize);
+ seq_printf(m, "geniv : %s\n", ablkcipher->geniv ?: "<default>");
}
const struct crypto_type crypto_ablkcipher_type = {
@@ -142,6 +143,7 @@
seq_printf(m, "min keysize : %u\n", ablkcipher->min_keysize);
seq_printf(m, "max keysize : %u\n", ablkcipher->max_keysize);
seq_printf(m, "ivsize : %u\n", ablkcipher->ivsize);
+ seq_printf(m, "geniv : %s\n", ablkcipher->geniv ?: "<built-in>");
}
const struct crypto_type crypto_givcipher_type = {
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index 7939504..7a3e1a3 100644
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -496,6 +496,8 @@
seq_printf(m, "min keysize : %u\n", alg->cra_blkcipher.min_keysize);
seq_printf(m, "max keysize : %u\n", alg->cra_blkcipher.max_keysize);
seq_printf(m, "ivsize : %u\n", alg->cra_blkcipher.ivsize);
+ seq_printf(m, "geniv : %s\n", alg->cra_blkcipher.geniv ?:
+ "<default>");
}
const struct crypto_type crypto_blkcipher_type = {
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 3656a24e..facafa1 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -183,6 +183,8 @@
int (*givencrypt)(struct skcipher_givcrypt_request *req);
int (*givdecrypt)(struct skcipher_givcrypt_request *req);
+ const char *geniv;
+
unsigned int min_keysize;
unsigned int max_keysize;
unsigned int ivsize;
@@ -209,6 +211,8 @@
struct scatterlist *dst, struct scatterlist *src,
unsigned int nbytes);
+ const char *geniv;
+
unsigned int min_keysize;
unsigned int max_keysize;
unsigned int ivsize;