diff options
Diffstat (limited to 'crypto/internal.h')
| -rw-r--r-- | crypto/internal.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/crypto/internal.h b/crypto/internal.h index 83b1b6d6d92..68612874b5f 100644 --- a/crypto/internal.h +++ b/crypto/internal.h @@ -16,6 +16,7 @@ #include <linux/highmem.h> #include <linux/interrupt.h> #include <linux/init.h> +#include <linux/kernel.h> #include <asm/kmap_types.h> extern enum km_type crypto_km_types[]; @@ -61,6 +62,33 @@ static inline void crypto_init_proc(void) { } #endif +static inline unsigned int crypto_digest_ctxsize(struct crypto_alg *alg, + int flags) +{ + return alg->cra_ctxsize; +} + +static inline unsigned int crypto_cipher_ctxsize(struct crypto_alg *alg, + int flags) +{ + unsigned int len = alg->cra_ctxsize; + + switch (flags & CRYPTO_TFM_MODE_MASK) { + case CRYPTO_TFM_MODE_CBC: + len = ALIGN(len, alg->cra_alignmask + 1); + len += alg->cra_blocksize; + break; + } + + return len; +} + +static inline unsigned int crypto_compress_ctxsize(struct crypto_alg *alg, + int flags) +{ + return alg->cra_ctxsize; +} + int crypto_init_digest_flags(struct crypto_tfm *tfm, u32 flags); int crypto_init_cipher_flags(struct crypto_tfm *tfm, u32 flags); int crypto_init_compress_flags(struct crypto_tfm *tfm, u32 flags); |