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-rw-r--r--include/linux/crypto.h28
1 files changed, 27 insertions, 1 deletions
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 387da6a3e58c..26ce01c25745 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -61,6 +61,15 @@
61#define CRYPTO_DIR_DECRYPT 0 61#define CRYPTO_DIR_DECRYPT 0
62 62
63struct scatterlist; 63struct scatterlist;
64struct crypto_tfm;
65
66struct cipher_desc {
67 struct crypto_tfm *tfm;
68 void (*crfn)(void *ctx, u8 *dst, const u8 *src);
69 unsigned int (*prfn)(const struct cipher_desc *desc, u8 *dst,
70 const u8 *src, unsigned int nbytes);
71 void *info;
72};
64 73
65/* 74/*
66 * Algorithms: modular crypto algorithm implementations, managed 75 * Algorithms: modular crypto algorithm implementations, managed
@@ -73,6 +82,19 @@ struct cipher_alg {
73 unsigned int keylen, u32 *flags); 82 unsigned int keylen, u32 *flags);
74 void (*cia_encrypt)(void *ctx, u8 *dst, const u8 *src); 83 void (*cia_encrypt)(void *ctx, u8 *dst, const u8 *src);
75 void (*cia_decrypt)(void *ctx, u8 *dst, const u8 *src); 84 void (*cia_decrypt)(void *ctx, u8 *dst, const u8 *src);
85
86 unsigned int (*cia_encrypt_ecb)(const struct cipher_desc *desc,
87 u8 *dst, const u8 *src,
88 unsigned int nbytes);
89 unsigned int (*cia_decrypt_ecb)(const struct cipher_desc *desc,
90 u8 *dst, const u8 *src,
91 unsigned int nbytes);
92 unsigned int (*cia_encrypt_cbc)(const struct cipher_desc *desc,
93 u8 *dst, const u8 *src,
94 unsigned int nbytes);
95 unsigned int (*cia_decrypt_cbc)(const struct cipher_desc *desc,
96 u8 *dst, const u8 *src,
97 unsigned int nbytes);
76}; 98};
77 99
78struct digest_alg { 100struct digest_alg {
@@ -136,7 +158,6 @@ static inline int crypto_alg_available(const char *name, u32 flags)
136 * and core processing logic. Managed via crypto_alloc_tfm() and 158 * and core processing logic. Managed via crypto_alloc_tfm() and
137 * crypto_free_tfm(), as well as the various helpers below. 159 * crypto_free_tfm(), as well as the various helpers below.
138 */ 160 */
139struct crypto_tfm;
140 161
141struct cipher_tfm { 162struct cipher_tfm {
142 void *cit_iv; 163 void *cit_iv;
@@ -266,6 +287,11 @@ static inline unsigned int crypto_tfm_alg_digestsize(struct crypto_tfm *tfm)
266 return tfm->__crt_alg->cra_digest.dia_digestsize; 287 return tfm->__crt_alg->cra_digest.dia_digestsize;
267} 288}
268 289
290static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm)
291{
292 return (void *)&tfm[1];
293}
294
269/* 295/*
270 * API wrappers. 296 * API wrappers.
271 */ 297 */