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[CRYPTO] skcipher: Added geniv field

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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>
This commit is contained in:
Herbert Xu 2007-11-27 21:33:24 +08:00
parent 61da88e2b8
commit 23508e11ab
3 changed files with 8 additions and 0 deletions
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2
crypto/ablkcipher.c
View File

@ -96,6 +96,7 @@ static void crypto_ablkcipher_show(struct seq_file *m, struct crypto_alg *alg)
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 @@ static void crypto_givcipher_show(struct seq_file *m, struct crypto_alg *alg)
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 = {

2
crypto/blkcipher.c
View File

@ -496,6 +496,8 @@ static void crypto_blkcipher_show(struct seq_file *m, struct crypto_alg *alg)
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 = {

4
include/linux/crypto.h
View File

@ -183,6 +183,8 @@ struct ablkcipher_alg {
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 blkcipher_alg {
struct scatterlist *dst, struct scatterlist *src,
unsigned int nbytes);
const char *geniv;
unsigned int min_keysize;
unsigned int max_keysize;
unsigned int ivsize;