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Diffstat (limited to 'gpxe/src/include/gpxe/crypto.h')
-rw-r--r-- | gpxe/src/include/gpxe/crypto.h | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/gpxe/src/include/gpxe/crypto.h b/gpxe/src/include/gpxe/crypto.h deleted file mode 100644 index ecda5f6d..00000000 --- a/gpxe/src/include/gpxe/crypto.h +++ /dev/null @@ -1,156 +0,0 @@ -#ifndef _GPXE_CRYPTO_H -#define _GPXE_CRYPTO_H - -/** @file - * - * Cryptographic API - * - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#include <stdint.h> -#include <stddef.h> - -/** A message digest algorithm */ -struct digest_algorithm { - /** Algorithm name */ - const char *name; - /** Context size */ - size_t ctxsize; - /** Block size */ - size_t blocksize; - /** Digest size */ - size_t digestsize; - /** Initialise digest - * - * @v ctx Context - */ - void ( * init ) ( void *ctx ); - /** Update digest with new data - * - * @v ctx Context - * @v src Data to digest - * @v len Length of data - * - * @v len is not necessarily a multiple of @c blocksize. - */ - void ( * update ) ( void *ctx, const void *src, size_t len ); - /** Finalise digest - * - * @v ctx Context - * @v out Buffer for digest output - */ - void ( * final ) ( void *ctx, void *out ); -}; - -/** A cipher algorithm */ -struct cipher_algorithm { - /** Algorithm name */ - const char *name; - /** Context size */ - size_t ctxsize; - /** Block size */ - size_t blocksize; - /** Set key - * - * @v ctx Context - * @v key Key - * @v keylen Key length - * @ret rc Return status code - */ - int ( * setkey ) ( void *ctx, const void *key, size_t keylen ); - /** Set initialisation vector - * - * @v ctx Context - * @v iv Initialisation vector - */ - void ( * setiv ) ( void *ctx, const void *iv ); - /** Encrypt data - * - * @v ctx Context - * @v src Data to encrypt - * @v dst Buffer for encrypted data - * @v len Length of data - * - * @v len is guaranteed to be a multiple of @c blocksize. - */ - void ( * encrypt ) ( void *ctx, const void *src, void *dst, - size_t len ); - /** Decrypt data - * - * @v ctx Context - * @v src Data to decrypt - * @v dst Buffer for decrypted data - * @v len Length of data - * - * @v len is guaranteed to be a multiple of @c blocksize. - */ - void ( * decrypt ) ( void *ctx, const void *src, void *dst, - size_t len ); -}; - -/** A public key algorithm */ -struct pubkey_algorithm { - /** Algorithm name */ - const char *name; - /** Context size */ - size_t ctxsize; -}; - -static inline void digest_init ( struct digest_algorithm *digest, - void *ctx ) { - digest->init ( ctx ); -} - -static inline void digest_update ( struct digest_algorithm *digest, - void *ctx, const void *data, size_t len ) { - digest->update ( ctx, data, len ); -} - -static inline void digest_final ( struct digest_algorithm *digest, - void *ctx, void *out ) { - digest->final ( ctx, out ); -} - -static inline int cipher_setkey ( struct cipher_algorithm *cipher, - void *ctx, const void *key, size_t keylen ) { - return cipher->setkey ( ctx, key, keylen ); -} - -static inline void cipher_setiv ( struct cipher_algorithm *cipher, - void *ctx, const void *iv ) { - 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 struct digest_algorithm digest_null; -extern struct cipher_algorithm cipher_null; -extern struct pubkey_algorithm pubkey_null; - -void get_random_bytes ( void *buf, size_t len ); - -#endif /* _GPXE_CRYPTO_H */ |