diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2007-11-30 21:38:37 +1100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2008-01-11 08:16:48 +1100 |
| commit | 20089c96d6eba471d8ae0f48e1bcbc4d8969cd02 (patch) | |
| tree | a2420116e863f11744cee99ad80dc9270996ee71 /crypto/Kconfig | |
| parent | 87ca8032ebed5577ea73f203e4ac53f6dde9fca3 (diff) | |
| download | linux-crypto-20089c96d6eba471d8ae0f48e1bcbc4d8969cd02.tar.gz linux-crypto-20089c96d6eba471d8ae0f48e1bcbc4d8969cd02.zip | |
[CRYPTO] seqiv: Add Sequence Number IV Generator
This generator generates an IV based on a sequence number by xoring it
with a salt. This algorithm is mainly useful for CTR and similar modes.
This patch also sets it as the default IV generator for ctr.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/Kconfig')
| -rw-r--r-- | crypto/Kconfig | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig index c4b6c912..7ad9711e 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -32,6 +32,14 @@ config CRYPTO_BLKCIPHER tristate select CRYPTO_ALGAPI +config CRYPTO_SEQIV + tristate "Sequence Number IV Generator" + select CRYPTO_BLKCIPHER + help + This IV generator generates an IV based on a sequence number by + xoring it with a salt. This algorithm is mainly useful for CTR + and similar modes. + config CRYPTO_HASH tristate select CRYPTO_ALGAPI @@ -197,6 +205,7 @@ config CRYPTO_XTS config CRYPTO_CTR tristate "CTR support" select CRYPTO_BLKCIPHER + select CRYPTO_SEQIV select CRYPTO_MANAGER help CTR: Counter mode |