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[CRYPTO] cipher: Added block ciphers for CBC/ECB

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This patch adds two block cipher algorithms, CBC and ECB.  These
are implemented as templates on top of existing single-block cipher
algorithms.  They invoke the single-block cipher through the new
encrypt_one/decrypt_one interface.

This also optimises the in-place encryption and decryption to remove
the cost of an IV copy each round.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2006-09-21 11:44:08 +10:00
parent 5cde0af2a9
commit db131ef908
6 changed files with 546 additions and 1 deletions
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2
include/crypto/algapi.h
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@ -83,6 +83,8 @@ struct blkcipher_walk {
extern const struct crypto_type crypto_blkcipher_type;
void crypto_mod_put(struct crypto_alg *alg);
int crypto_register_template(struct crypto_template *tmpl);
void crypto_unregister_template(struct crypto_template *tmpl);
struct crypto_template *crypto_lookup_template(const char *name);