diff options
| author | James Morris <jmorris@intercode.com.au> | 2003-03-28 11:17:21 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@home.transmeta.com> | 2003-03-28 11:17:21 -0800 |
| commit | 0946befcaa7df551c1b9664506c947201007a3f0 (patch) | |
| tree | 2a7cd0771027c3ace19661da3a5632635cfb9bae /include/linux | |
| parent | df7a3f3410c28fa93e2195c6390733b66b8ceb2c (diff) | |
[CRYPTO]: Add Deflate algorithm to crypto API.
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/crypto.h | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/include/linux/crypto.h b/include/linux/crypto.h index e7c775fb160a..07820d52922d 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -31,7 +31,6 @@ #define CRYPTO_ALG_TYPE_DIGEST 0x00000002 #define CRYPTO_ALG_TYPE_COMPRESS 0x00000004 - /* * Transform masks and values (for crt_flags). */ @@ -45,14 +44,12 @@ #define CRYPTO_TFM_MODE_CTR 0x00000008 #define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100 - #define CRYPTO_TFM_RES_WEAK_KEY 0x00100000 #define CRYPTO_TFM_RES_BAD_KEY_LEN 0x00200000 #define CRYPTO_TFM_RES_BAD_KEY_SCHED 0x00400000 #define CRYPTO_TFM_RES_BAD_BLOCK_LEN 0x00800000 #define CRYPTO_TFM_RES_BAD_FLAGS 0x01000000 - /* * Miscellaneous stuff. */ @@ -83,8 +80,12 @@ struct digest_alg { }; struct compress_alg { - void (*coa_compress)(void); - void (*coa_decompress)(void); + int (*coa_init)(void *ctx); + void (*coa_exit)(void *ctx); + int (*coa_compress)(void *ctx, const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen); + int (*coa_decompress)(void *ctx, const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen); }; #define cra_cipher cra_u.cipher @@ -162,8 +163,12 @@ struct digest_tfm { }; struct compress_tfm { - void (*cot_compress)(struct crypto_tfm *tfm); - void (*cot_decompress)(struct crypto_tfm *tfm); + int (*cot_compress)(struct crypto_tfm *tfm, + const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen); + int (*cot_decompress)(struct crypto_tfm *tfm, + const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen); }; #define crt_cipher crt_u.cipher @@ -336,16 +341,20 @@ static inline void crypto_cipher_get_iv(struct crypto_tfm *tfm, memcpy(dst, tfm->crt_cipher.cit_iv, len); } -static inline void crypto_comp_compress(struct crypto_tfm *tfm) +static inline int crypto_comp_compress(struct crypto_tfm *tfm, + const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen) { BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_COMPRESS); - tfm->crt_compress.cot_compress(tfm); + return tfm->crt_compress.cot_compress(tfm, src, slen, dst, dlen); } -static inline void crypto_comp_decompress(struct crypto_tfm *tfm) +static inline int crypto_comp_decompress(struct crypto_tfm *tfm, + const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen) { BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_COMPRESS); - tfm->crt_compress.cot_decompress(tfm); + return tfm->crt_compress.cot_decompress(tfm, src, slen, dst, dlen); } /* |