diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/gpxe/crypto.h | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/src/include/gpxe/crypto.h b/src/include/gpxe/crypto.h index 42860a9e0..10882d37e 100644 --- a/src/include/gpxe/crypto.h +++ b/src/include/gpxe/crypto.h @@ -70,7 +70,6 @@ struct cipher_algorithm { * @v src Data to encrypt * @v dst Buffer for encrypted data * @v len Length of data - * @ret rc Return status code * * @v len is guaranteed to be a multiple of @c blocksize. */ @@ -82,7 +81,6 @@ struct cipher_algorithm { * @v src Data to decrypt * @v dst Buffer for decrypted data * @v len Length of data - * @ret rc Return status code * * @v len is guaranteed to be a multiple of @c blocksize. */ @@ -123,17 +121,30 @@ static inline void cipher_setiv ( struct cipher_algorithm *cipher, cipher->setiv ( ctx, iv ); } +static inline void cipher_encrypt ( struct cipher_algorithm *cipher, + void *ctx, const void *src, void *dst, + size_t len ) { + cipher->encrypt ( ctx, src, dst, len ); +} +#define cipher_encrypt( cipher, ctx, src, dst, len ) do { \ + assert ( ( len & ( (cipher)->blocksize - 1 ) ) == 0 ); \ + cipher_encrypt ( (cipher), (ctx), (src), (dst), (len) ); \ + } while ( 0 ) + +static inline void cipher_decrypt ( struct cipher_algorithm *cipher, + void *ctx, const void *src, void *dst, + size_t len ) { + cipher->decrypt ( ctx, src, dst, len ); +} +#define cipher_decrypt( cipher, ctx, src, dst, len ) do { \ + assert ( ( len & ( (cipher)->blocksize - 1 ) ) == 0 ); \ + cipher_decrypt ( (cipher), (ctx), (src), (dst), (len) ); \ + } while ( 0 ) + static inline int is_stream_cipher ( struct cipher_algorithm *cipher ) { return ( cipher->blocksize == 1 ); } -extern int cipher_encrypt ( struct cipher_algorithm *cipher, - void *ctx, const void *src, void *dst, - size_t len ); -extern int cipher_decrypt ( struct cipher_algorithm *cipher, - void *ctx, const void *src, void *dst, - size_t len ); - extern struct digest_algorithm digest_null; extern struct cipher_algorithm cipher_null; extern struct pubkey_algorithm pubkey_null; |