diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-09-17 20:52:23 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-17 20:53:10 +0200 |
| commit | 45bd00d31de886f8425b4dd33204b911b0a466a9 (patch) | |
| tree | 06204f2452e02ca916666173d50f5035d69065ef /crypto/ablkcipher.c | |
| parent | 40d9d82c8ab8c4e2373a23a1e31dc8d84c53aa01 (diff) | |
| parent | ab86e5765d41a5eb4239a1c04d613db87bea5ed8 (diff) | |
Merge branch 'linus' into tracing/core
Merge reason: Pick up kernel/softirq.c update for dependent fix.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'crypto/ablkcipher.c')
| -rw-r--r-- | crypto/ablkcipher.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c index e11ce37c710..f6f08336df5 100644 --- a/crypto/ablkcipher.c +++ b/crypto/ablkcipher.c @@ -14,6 +14,7 @@ */ #include <crypto/internal/skcipher.h> +#include <linux/cpumask.h> #include <linux/err.h> #include <linux/init.h> #include <linux/kernel.h> @@ -25,6 +26,8 @@ #include "internal.h" +static const char *skcipher_default_geniv __read_mostly; + static int setkey_unaligned(struct crypto_ablkcipher *tfm, const u8 *key, unsigned int keylen) { @@ -180,7 +183,14 @@ EXPORT_SYMBOL_GPL(crypto_givcipher_type); const char *crypto_default_geniv(const struct crypto_alg *alg) { - return alg->cra_flags & CRYPTO_ALG_ASYNC ? "eseqiv" : "chainiv"; + if (((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == + CRYPTO_ALG_TYPE_BLKCIPHER ? alg->cra_blkcipher.ivsize : + alg->cra_ablkcipher.ivsize) != + alg->cra_blocksize) + return "chainiv"; + + return alg->cra_flags & CRYPTO_ALG_ASYNC ? + "eseqiv" : skcipher_default_geniv; } static int crypto_givcipher_default(struct crypto_alg *alg, u32 type, u32 mask) @@ -201,8 +211,9 @@ static int crypto_givcipher_default(struct crypto_alg *alg, u32 type, u32 mask) int err; larval = crypto_larval_lookup(alg->cra_driver_name, + (type & ~CRYPTO_ALG_TYPE_MASK) | CRYPTO_ALG_TYPE_GIVCIPHER, - CRYPTO_ALG_TYPE_MASK); + mask | CRYPTO_ALG_TYPE_MASK); err = PTR_ERR(larval); if (IS_ERR(larval)) goto out; @@ -360,3 +371,17 @@ err: return ERR_PTR(err); } EXPORT_SYMBOL_GPL(crypto_alloc_ablkcipher); + +static int __init skcipher_module_init(void) +{ + skcipher_default_geniv = num_possible_cpus() > 1 ? + "eseqiv" : "chainiv"; + return 0; +} + +static void skcipher_module_exit(void) +{ +} + +module_init(skcipher_module_init); +module_exit(skcipher_module_exit); |