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- #ifndef _IPXE_ECB_H
- #define _IPXE_ECB_H
-
- /** @file
- *
- * Electronic codebook (ECB)
- *
- */
-
- FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
- #include <ipxe/crypto.h>
-
- extern void ecb_encrypt ( void *ctx, const void *src, void *dst,
- size_t len, struct cipher_algorithm *raw_cipher );
- extern void ecb_decrypt ( void *ctx, const void *src, void *dst,
- size_t len, struct cipher_algorithm *raw_cipher );
-
- /**
- * Create a cipher-block chaining 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 ) \
- static int _ecb_name ## _setkey ( void *ctx, const void *key, \
- size_t keylen ) { \
- return cipher_setkey ( &_raw_cipher, ctx, key, keylen ); \
- } \
- static void _ecb_name ## _setiv ( void *ctx, const void *iv ) { \
- cipher_setiv ( &_raw_cipher, ctx, iv ); \
- } \
- static void _ecb_name ## _encrypt ( void *ctx, const void *src, \
- void *dst, size_t len ) { \
- ecb_encrypt ( ctx, src, dst, len, &_raw_cipher ); \
- } \
- static void _ecb_name ## _decrypt ( void *ctx, const void *src, \
- void *dst, size_t len ) { \
- ecb_decrypt ( ctx, src, dst, len, &_raw_cipher ); \
- } \
- struct cipher_algorithm _ecb_cipher = { \
- .name = #_ecb_name, \
- .ctxsize = sizeof ( _raw_context ), \
- .blocksize = _blocksize, \
- .setkey = _ecb_name ## _setkey, \
- .setiv = _ecb_name ## _setiv, \
- .encrypt = _ecb_name ## _encrypt, \
- .decrypt = _ecb_name ## _decrypt, \
- };
-
- #endif /* _IPXE_ECB_H */
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