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 */ 28