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4c17e5f691
fdt_add_bignum() is useful for algorithms other than just RSA. To allow its use for ECDSA, move it to a common file under lib/. The new file is suffixed with '-libcrypto' because it has a direct dependency on openssl. This is due to the use of the "BIGNUM *" type. Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
28 lines
755 B
C
28 lines
755 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 2020, Alexandru Gagniuc <mr.nuke.me@gmail.com>
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* Copyright (c) 2013, Google Inc.
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*/
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#ifndef _FDT_LIBCRYPTO_H
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#define _FDT_LIBCRYPTO_H
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#include <openssl/bn.h>
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/**
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* fdt_add_bignum() - Write a libcrypto BIGNUM as an FDT property
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*
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* Convert a libcrypto BIGNUM * into a big endian array of integers.
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*
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* @blob: FDT blob to modify
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* @noffset: Offset of the FDT node
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* @prop_name: What to call the property in the FDT
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* @num: pointer to a libcrypto big number
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* @num_bits: How big is 'num' in bits?
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* @return 0 if all good all working, -ve on horror
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*/
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int fdt_add_bignum(void *blob, int noffset, const char *prop_name,
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BIGNUM *num, int num_bits);
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#endif /* _FDT_LIBCRYPTO_H */
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