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Make struct cipher_base_t opaque

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This commit is contained in:
Manuel Pégourié-Gonnard
2015-05-06 17:10:55 +01:00
parent 3a3ae3d47e
commit 5a74e8bf19
3 changed files with 58 additions and 52 deletions
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54
include/mbedtls/cipher.h
View File

@ -175,59 +175,9 @@ enum {
#define MBEDTLS_MAX_BLOCK_LENGTH 16
/**
* Base cipher information. The non-mode specific functions and values.
* Base cipher information (opaque struct).
*/
typedef struct {
/** Base Cipher type (e.g. MBEDTLS_CIPHER_ID_AES) */
mbedtls_cipher_id_t cipher;
/** Encrypt using ECB */
int (*ecb_func)( void *ctx, mbedtls_operation_t mode,
const unsigned char *input, unsigned char *output );
#if defined(MBEDTLS_CIPHER_MODE_CBC)
/** Encrypt using CBC */
int (*cbc_func)( void *ctx, mbedtls_operation_t mode, size_t length,
unsigned char *iv, const unsigned char *input,
unsigned char *output );
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
/** Encrypt using CFB (Full length) */
int (*cfb_func)( void *ctx, mbedtls_operation_t mode, size_t length, size_t *iv_off,
unsigned char *iv, const unsigned char *input,
unsigned char *output );
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
/** Encrypt using CTR */
int (*ctr_func)( void *ctx, size_t length, size_t *nc_off,
unsigned char *nonce_counter, unsigned char *stream_block,
const unsigned char *input, unsigned char *output );
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
/** Encrypt using STREAM */
int (*stream_func)( void *ctx, size_t length,
const unsigned char *input, unsigned char *output );
#endif
/** Set key for encryption purposes */
int (*setkey_enc_func)( void *ctx, const unsigned char *key,
unsigned int key_length );
/** Set key for decryption purposes */
int (*setkey_dec_func)( void *ctx, const unsigned char *key,
unsigned int key_length);
/** Allocate a new context */
void * (*ctx_alloc_func)( void );
/** Free the given context */
void (*ctx_free_func)( void *ctx );
} mbedtls_cipher_base_t;
typedef struct mbedtls_cipher_base_t mbedtls_cipher_base_t;
/**
* Cipher information. Allows cipher functions to be called in a generic way.

55
include/mbedtls/cipher_wrap.h
View File

@ -38,6 +38,61 @@
extern "C" {
#endif
/**
* Base cipher information. The non-mode specific functions and values.
*/
struct mbedtls_cipher_base_t
{
/** Base Cipher type (e.g. MBEDTLS_CIPHER_ID_AES) */
mbedtls_cipher_id_t cipher;
/** Encrypt using ECB */
int (*ecb_func)( void *ctx, mbedtls_operation_t mode,
const unsigned char *input, unsigned char *output );
#if defined(MBEDTLS_CIPHER_MODE_CBC)
/** Encrypt using CBC */
int (*cbc_func)( void *ctx, mbedtls_operation_t mode, size_t length,
unsigned char *iv, const unsigned char *input,
unsigned char *output );
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
/** Encrypt using CFB (Full length) */
int (*cfb_func)( void *ctx, mbedtls_operation_t mode, size_t length, size_t *iv_off,
unsigned char *iv, const unsigned char *input,
unsigned char *output );
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
/** Encrypt using CTR */
int (*ctr_func)( void *ctx, size_t length, size_t *nc_off,
unsigned char *nonce_counter, unsigned char *stream_block,
const unsigned char *input, unsigned char *output );
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
/** Encrypt using STREAM */
int (*stream_func)( void *ctx, size_t length,
const unsigned char *input, unsigned char *output );
#endif
/** Set key for encryption purposes */
int (*setkey_enc_func)( void *ctx, const unsigned char *key,
unsigned int key_length );
/** Set key for decryption purposes */
int (*setkey_dec_func)( void *ctx, const unsigned char *key,
unsigned int key_length);
/** Allocate a new context */
void * (*ctx_alloc_func)( void );
/** Free the given context */
void (*ctx_free_func)( void *ctx );
};
typedef struct
{
mbedtls_cipher_type_t type;