diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/crypto/akcipher.h | 90 | ||||
| -rw-r--r-- | include/crypto/hash.h | 14 | ||||
| -rw-r--r-- | include/crypto/internal/rsa.h | 7 | ||||
| -rw-r--r-- | include/linux/mpi.h | 10 |
4 files changed, 91 insertions, 30 deletions
diff --git a/include/crypto/akcipher.h b/include/crypto/akcipher.h index 69d163e39101..45cd5b328040 100644 --- a/include/crypto/akcipher.h +++ b/include/crypto/akcipher.h @@ -18,21 +18,21 @@ * struct akcipher_request - public key request * * @base: Common attributes for async crypto requests - * @src: Pointer to memory containing the input parameters - * The format of the parameter(s) is expeted to be Octet String - * @dst: Pointer to memory whare the result will be stored - * @src_len: Size of the input parameter + * @src: Source data + * @dst: Destination data + * @src_len: Size of the input buffer * @dst_len: Size of the output buffer. It needs to be at leaset * as big as the expected result depending on the operation * After operation it will be updated with the acctual size of the - * result. In case of error, where the dst_len was insufficient, + * result. + * In case of error where the dst sgl size was insufficient, * it will be updated to the size required for the operation. * @__ctx: Start of private context data */ struct akcipher_request { struct crypto_async_request base; - void *src; - void *dst; + struct scatterlist *src; + struct scatterlist *dst; unsigned int src_len; unsigned int dst_len; void *__ctx[] CRYPTO_MINALIGN_ATTR; @@ -67,8 +67,13 @@ struct crypto_akcipher { * algorithm. In case of error, where the dst_len was insufficient, * the req->dst_len will be updated to the size required for the * operation - * @setkey: Function invokes the algorithm specific set key function, which - * knows how to decode and interpret the BER encoded key + * @set_pub_key: Function invokes the algorithm specific set public key + * function, which knows how to decode and interpret + * the BER encoded public key + * @set_priv_key: Function invokes the algorithm specific set private key + * function, which knows how to decode and interpret + * the BER encoded private key + * @max_size: Function returns dest buffer size reqired for a given key. * @init: Initialize the cryptographic transformation object. * This function is used to initialize the cryptographic * transformation object. This function is called only once at @@ -89,8 +94,11 @@ struct akcipher_alg { int (*verify)(struct akcipher_request *req); int (*encrypt)(struct akcipher_request *req); int (*decrypt)(struct akcipher_request *req); - int (*setkey)(struct crypto_akcipher *tfm, const void *key, - unsigned int keylen); + int (*set_pub_key)(struct crypto_akcipher *tfm, const void *key, + unsigned int keylen); + int (*set_priv_key)(struct crypto_akcipher *tfm, const void *key, + unsigned int keylen); + int (*max_size)(struct crypto_akcipher *tfm); int (*init)(struct crypto_akcipher *tfm); void (*exit)(struct crypto_akcipher *tfm); @@ -229,14 +237,14 @@ static inline void akcipher_request_set_callback(struct akcipher_request *req, * Sets parameters required by crypto operation * * @req: public key request - * @src: ptr to input parameter - * @dst: ptr of output parameter - * @src_len: size of the input buffer - * @dst_len: size of the output buffer. It will be updated by the - * implementation to reflect the acctual size of the result + * @src: ptr to input scatter list + * @dst: ptr to output scatter list + * @src_len: size of the src input scatter list to be processed + * @dst_len: size of the dst output scatter list */ static inline void akcipher_request_set_crypt(struct akcipher_request *req, - void *src, void *dst, + struct scatterlist *src, + struct scatterlist *dst, unsigned int src_len, unsigned int dst_len) { @@ -247,6 +255,22 @@ static inline void akcipher_request_set_crypt(struct akcipher_request *req, } /** + * crypto_akcipher_maxsize() -- Get len for output buffer + * + * Function returns the dest buffer size required for a given key + * + * @tfm: AKCIPHER tfm handle allocated with crypto_alloc_akcipher() + * + * Return: minimum len for output buffer or error code in key hasn't been set + */ +static inline int crypto_akcipher_maxsize(struct crypto_akcipher *tfm) +{ + struct akcipher_alg *alg = crypto_akcipher_alg(tfm); + + return alg->max_size(tfm); +} + +/** * crypto_akcipher_encrypt() -- Invoke public key encrypt operation * * Function invokes the specific public key encrypt operation for a given @@ -319,22 +343,44 @@ static inline int crypto_akcipher_verify(struct akcipher_request *req) } /** - * crypto_akcipher_setkey() -- Invoke public key setkey operation + * crypto_akcipher_set_pub_key() -- Invoke set public key operation + * + * Function invokes the algorithm specific set key function, which knows + * how to decode and interpret the encoded key + * + * @tfm: tfm handle + * @key: BER encoded public key + * @keylen: length of the key + * + * Return: zero on success; error code in case of error + */ +static inline int crypto_akcipher_set_pub_key(struct crypto_akcipher *tfm, + const void *key, + unsigned int keylen) +{ + struct akcipher_alg *alg = crypto_akcipher_alg(tfm); + + return alg->set_pub_key(tfm, key, keylen); +} + +/** + * crypto_akcipher_set_priv_key() -- Invoke set private key operation * * Function invokes the algorithm specific set key function, which knows * how to decode and interpret the encoded key * * @tfm: tfm handle - * @key: BER encoded private or public key + * @key: BER encoded private key * @keylen: length of the key * * Return: zero on success; error code in case of error */ -static inline int crypto_akcipher_setkey(struct crypto_akcipher *tfm, void *key, - unsigned int keylen) +static inline int crypto_akcipher_set_priv_key(struct crypto_akcipher *tfm, + const void *key, + unsigned int keylen) { struct akcipher_alg *alg = crypto_akcipher_alg(tfm); - return alg->setkey(tfm, key, keylen); + return alg->set_priv_key(tfm, key, keylen); } #endif diff --git a/include/crypto/hash.h b/include/crypto/hash.h index 8e920b44c0ac..3d69c93d50e8 100644 --- a/include/crypto/hash.h +++ b/include/crypto/hash.h @@ -264,6 +264,20 @@ static inline unsigned int crypto_ahash_alignmask( return crypto_tfm_alg_alignmask(crypto_ahash_tfm(tfm)); } +/** + * crypto_ahash_blocksize() - obtain block size for cipher + * @tfm: cipher handle + * + * The block size for the message digest cipher referenced with the cipher + * handle is returned. + * + * Return: block size of cipher + */ +static inline unsigned int crypto_ahash_blocksize(struct crypto_ahash *tfm) +{ + return crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm)); +} + static inline struct hash_alg_common *__crypto_hash_alg_common( struct crypto_alg *alg) { diff --git a/include/crypto/internal/rsa.h b/include/crypto/internal/rsa.h index a8c86365439f..f997e2d29b5a 100644 --- a/include/crypto/internal/rsa.h +++ b/include/crypto/internal/rsa.h @@ -20,8 +20,11 @@ struct rsa_key { MPI d; }; -int rsa_parse_key(struct rsa_key *rsa_key, const void *key, - unsigned int key_len); +int rsa_parse_pub_key(struct rsa_key *rsa_key, const void *key, + unsigned int key_len); + +int rsa_parse_priv_key(struct rsa_key *rsa_key, const void *key, + unsigned int key_len); void rsa_free_key(struct rsa_key *rsa_key); #endif diff --git a/include/linux/mpi.h b/include/linux/mpi.h index 641b7d6fd096..3a5abe95affd 100644 --- a/include/linux/mpi.h +++ b/include/linux/mpi.h @@ -31,12 +31,7 @@ #define G10_MPI_H #include <linux/types.h> - -/* DSI defines */ - -#define SHA1_DIGEST_LENGTH 20 - -/*end of DSI defines */ +#include <linux/scatterlist.h> #define BYTES_PER_MPI_LIMB (BITS_PER_LONG / 8) #define BITS_PER_MPI_LIMB BITS_PER_LONG @@ -78,6 +73,7 @@ void mpi_swap(MPI a, MPI b); MPI do_encode_md(const void *sha_buffer, unsigned nbits); MPI mpi_read_raw_data(const void *xbuffer, size_t nbytes); MPI mpi_read_from_buffer(const void *buffer, unsigned *ret_nread); +MPI mpi_read_raw_from_sgl(struct scatterlist *sgl, unsigned int len); int mpi_fromstr(MPI val, const char *str); u32 mpi_get_keyid(MPI a, u32 *keyid); void *mpi_get_buffer(MPI a, unsigned *nbytes, int *sign); @@ -85,6 +81,8 @@ int mpi_read_buffer(MPI a, uint8_t *buf, unsigned buf_len, unsigned *nbytes, int *sign); void *mpi_get_secure_buffer(MPI a, unsigned *nbytes, int *sign); int mpi_set_buffer(MPI a, const void *buffer, unsigned nbytes, int sign); +int mpi_write_to_sgl(MPI a, struct scatterlist *sg, unsigned *nbytes, + int *sign); #define log_mpidump g10_log_mpidump |