| Alexandru Gagniuc | 32abcbd | 2021-02-19 12:45:11 -0600 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 2 | /* |
| 3 | * Copyright (c) 2020, Alexandru Gagniuc <mr.nuke.me@gmail.com> |
| 4 | * Copyright (c) 2013, Google Inc. |
| 5 | */ |
| 6 | |
| 7 | #ifndef _FDT_LIBCRYPTO_H |
| 8 | #define _FDT_LIBCRYPTO_H |
| 9 | |
| 10 | #include <openssl/bn.h> |
| 11 | |
| 12 | /** |
| 13 | * fdt_add_bignum() - Write a libcrypto BIGNUM as an FDT property |
| 14 | * |
| 15 | * Convert a libcrypto BIGNUM * into a big endian array of integers. |
| 16 | * |
| 17 | * @blob: FDT blob to modify |
| 18 | * @noffset: Offset of the FDT node |
| 19 | * @prop_name: What to call the property in the FDT |
| 20 | * @num: pointer to a libcrypto big number |
| 21 | * @num_bits: How big is 'num' in bits? |
| 22 | * @return 0 if all good all working, -ve on horror |
| 23 | */ |
| 24 | int fdt_add_bignum(void *blob, int noffset, const char *prop_name, |
| 25 | BIGNUM *num, int num_bits); |
| 26 | |
| 27 | #endif /* _FDT_LIBCRYPTO_H */ |