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Diffstat (limited to 'include/crypto/internal/drbg.h')
| -rw-r--r-- | include/crypto/internal/drbg.h | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/include/crypto/internal/drbg.h b/include/crypto/internal/drbg.h deleted file mode 100644 index 371e52dcee6c..000000000000 --- a/include/crypto/internal/drbg.h +++ /dev/null @@ -1,54 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ - -/* - * NIST SP800-90A DRBG derivation function - * - * Copyright (C) 2014, Stephan Mueller <smueller@chronox.de> - */ - -#ifndef _INTERNAL_DRBG_H -#define _INTERNAL_DRBG_H - -/* - * Convert an integer into a byte representation of this integer. - * The byte representation is big-endian - * - * @val value to be converted - * @buf buffer holding the converted integer -- caller must ensure that - * buffer size is at least 32 bit - */ -static inline void drbg_cpu_to_be32(__u32 val, unsigned char *buf) -{ - struct s { - __be32 conv; - }; - struct s *conversion = (struct s *)buf; - - conversion->conv = cpu_to_be32(val); -} - -/* - * Concatenation Helper and string operation helper - * - * SP800-90A requires the concatenation of different data. To avoid copying - * buffers around or allocate additional memory, the following data structure - * is used to point to the original memory with its size. In addition, it - * is used to build a linked list. The linked list defines the concatenation - * of individual buffers. The order of memory block referenced in that - * linked list determines the order of concatenation. - */ -struct drbg_string { - const unsigned char *buf; - size_t len; - struct list_head list; -}; - -static inline void drbg_string_fill(struct drbg_string *string, - const unsigned char *buf, size_t len) -{ - string->buf = buf; - string->len = len; - INIT_LIST_HEAD(&string->list); -} - -#endif //_INTERNAL_DRBG_H |