ecb.h

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#ifndef _IPXE_ECB_H
#define _IPXE_ECB_H
 
/** @file
 *
 * Electronic codebook (ECB)
 *
 */
 
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
FILE_SECBOOT ( PERMITTED );
 
#include <ipxe/crypto.h>
 
extern int ecb_setkey ( struct cipher_algorithm *cipher, void *ctx,
                        const void *key, size_t keylen );
extern void ecb_encrypt ( struct cipher_algorithm *cipher, void *ctx,
                          const void *src, void *dst, size_t len );
extern void ecb_decrypt ( struct cipher_algorithm *cipher, void *ctx,
                          const void *src, void *dst, size_t len );
 
/**
 * Create an electronic codebook mode of behaviour of an existing cipher
 *
 * @v _ecb_name         Name for the new ECB cipher
 * @v _ecb_cipher       New cipher algorithm
 * @v _raw_cipher       Underlying cipher algorithm
 * @v _raw_context      Context structure for the underlying cipher
 * @v _blocksize        Cipher block size
 */
#define ECB_CIPHER( _ecb_name, _ecb_cipher, _raw_cipher, _raw_context,  \
                    _blocksize )                                        \
struct cipher_algorithm _ecb_cipher = {                                 \
        .name           = #_ecb_name,                                   \
        .ctxsize        = sizeof ( _raw_context ),                      \
        .blocksize      = _blocksize,                                   \
        .alignsize      = _blocksize,                                   \
        .authsize       = 0,                                            \
        .confidential   = 1,                                            \
        .setkey         = ecb_setkey,                                   \
        .setiv          = cipher_null_setiv,                            \
        .encrypt        = ecb_encrypt,                                  \
        .decrypt        = ecb_decrypt,                                  \
        .auth           = cipher_null_auth,                             \
        .priv           = &_raw_cipher,                                 \
};
 
#endif /* _IPXE_ECB_H */