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author | Ingo Molnar <mingo@elte.hu> | 2012-02-28 09:26:07 (GMT) |
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committer | Ingo Molnar <mingo@elte.hu> | 2012-02-28 09:27:36 (GMT) |
commit | 458ce2910aa83d8a2cafb489d727f7da839e73c6 (patch) | |
tree | 28e088137eb068e5620f17eaf0ca19d1562006ed /include/crypto | |
parent | 69466466ce889cd2cbc8cda9ff1c6083f48cc7f9 (diff) | |
parent | 586c6e7013c8cbb8c91aaa6568ec349b1dc2c691 (diff) | |
download | linux-fsl-qoriq-458ce2910aa83d8a2cafb489d727f7da839e73c6.tar.xz |
Merge branch 'linus' into x86/asm
Sync up the latest NMI fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/crypto')
-rw-r--r-- | include/crypto/algapi.h | 1 | ||||
-rw-r--r-- | include/crypto/lrw.h | 43 | ||||
-rw-r--r-- | include/crypto/serpent.h | 27 | ||||
-rw-r--r-- | include/crypto/twofish.h | 2 | ||||
-rw-r--r-- | include/crypto/xts.h | 27 |
5 files changed, 100 insertions, 0 deletions
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h index ecc721d..418d270 100644 --- a/include/crypto/algapi.h +++ b/include/crypto/algapi.h @@ -134,6 +134,7 @@ struct crypto_template *crypto_lookup_template(const char *name); int crypto_register_instance(struct crypto_template *tmpl, struct crypto_instance *inst); +int crypto_unregister_instance(struct crypto_alg *alg); int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg, struct crypto_instance *inst, u32 mask); diff --git a/include/crypto/lrw.h b/include/crypto/lrw.h new file mode 100644 index 0000000..25a2c87 --- /dev/null +++ b/include/crypto/lrw.h @@ -0,0 +1,43 @@ +#ifndef _CRYPTO_LRW_H +#define _CRYPTO_LRW_H + +#include <crypto/b128ops.h> + +struct scatterlist; +struct gf128mul_64k; +struct blkcipher_desc; + +#define LRW_BLOCK_SIZE 16 + +struct lrw_table_ctx { + /* optimizes multiplying a random (non incrementing, as at the + * start of a new sector) value with key2, we could also have + * used 4k optimization tables or no optimization at all. In the + * latter case we would have to store key2 here */ + struct gf128mul_64k *table; + /* stores: + * key2*{ 0,0,...0,0,0,0,1 }, key2*{ 0,0,...0,0,0,1,1 }, + * key2*{ 0,0,...0,0,1,1,1 }, key2*{ 0,0,...0,1,1,1,1 } + * key2*{ 0,0,...1,1,1,1,1 }, etc + * needed for optimized multiplication of incrementing values + * with key2 */ + be128 mulinc[128]; +}; + +int lrw_init_table(struct lrw_table_ctx *ctx, const u8 *tweak); +void lrw_free_table(struct lrw_table_ctx *ctx); + +struct lrw_crypt_req { + be128 *tbuf; + unsigned int tbuflen; + + struct lrw_table_ctx *table_ctx; + void *crypt_ctx; + void (*crypt_fn)(void *ctx, u8 *blks, unsigned int nbytes); +}; + +int lrw_crypt(struct blkcipher_desc *desc, struct scatterlist *dst, + struct scatterlist *src, unsigned int nbytes, + struct lrw_crypt_req *req); + +#endif /* _CRYPTO_LRW_H */ diff --git a/include/crypto/serpent.h b/include/crypto/serpent.h new file mode 100644 index 0000000..b7e0941 --- /dev/null +++ b/include/crypto/serpent.h @@ -0,0 +1,27 @@ +/* + * Common values for serpent algorithms + */ + +#ifndef _CRYPTO_SERPENT_H +#define _CRYPTO_SERPENT_H + +#include <linux/types.h> +#include <linux/crypto.h> + +#define SERPENT_MIN_KEY_SIZE 0 +#define SERPENT_MAX_KEY_SIZE 32 +#define SERPENT_EXPKEY_WORDS 132 +#define SERPENT_BLOCK_SIZE 16 + +struct serpent_ctx { + u32 expkey[SERPENT_EXPKEY_WORDS]; +}; + +int __serpent_setkey(struct serpent_ctx *ctx, const u8 *key, + unsigned int keylen); +int serpent_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen); + +void __serpent_encrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src); +void __serpent_decrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src); + +#endif diff --git a/include/crypto/twofish.h b/include/crypto/twofish.h index c408522..095c901 100644 --- a/include/crypto/twofish.h +++ b/include/crypto/twofish.h @@ -17,6 +17,8 @@ struct twofish_ctx { u32 s[4][256], w[8], k[32]; }; +int __twofish_setkey(struct twofish_ctx *ctx, const u8 *key, + unsigned int key_len, u32 *flags); int twofish_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len); #endif diff --git a/include/crypto/xts.h b/include/crypto/xts.h new file mode 100644 index 0000000..72c09eb --- /dev/null +++ b/include/crypto/xts.h @@ -0,0 +1,27 @@ +#ifndef _CRYPTO_XTS_H +#define _CRYPTO_XTS_H + +#include <crypto/b128ops.h> + +struct scatterlist; +struct blkcipher_desc; + +#define XTS_BLOCK_SIZE 16 + +struct xts_crypt_req { + be128 *tbuf; + unsigned int tbuflen; + + void *tweak_ctx; + void (*tweak_fn)(void *ctx, u8* dst, const u8* src); + void *crypt_ctx; + void (*crypt_fn)(void *ctx, u8 *blks, unsigned int nbytes); +}; + +#define XTS_TWEAK_CAST(x) ((void (*)(void *, u8*, const u8*))(x)) + +int xts_crypt(struct blkcipher_desc *desc, struct scatterlist *dst, + struct scatterlist *src, unsigned int nbytes, + struct xts_crypt_req *req); + +#endif /* _CRYPTO_XTS_H */ |