36 lines
1.0 KiB
C
36 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef _SM3_H
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#define _SM3_H
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#define SM3_DIGEST_SIZE 32 /* 256 bits */
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#define SM3_BLOCK_SIZE 64 /* 512 bits */
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#define SM3_PAD_UNIT 56 /* 448 bits */
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#define SM3_T1 0x79CC4519
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#define SM3_T2 0x7A879D8A
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#define SM3_IVA 0x7380166f
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#define SM3_IVB 0x4914b2b9
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#define SM3_IVC 0x172442d7
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#define SM3_IVD 0xda8a0600
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#define SM3_IVE 0xa96f30bc
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#define SM3_IVF 0x163138aa
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#define SM3_IVG 0xe38dee4d
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#define SM3_IVH 0xb0fb0e4e
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struct sm3_context {
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uint32_t state[SM3_DIGEST_SIZE / 4];
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uint64_t count; /* Message length in bits */
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uint8_t buffer[SM3_BLOCK_SIZE];
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int buflen;
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};
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void sm3_init(struct sm3_context *sctx);
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void sm3_update(struct sm3_context *sctx, const uint8_t *input, size_t ilen);
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void sm3_final(struct sm3_context *sctx, uint8_t output[SM3_DIGEST_SIZE]);
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void sm3_hash(const uint8_t *input, size_t ilen, uint8_t output[SM3_DIGEST_SIZE]);
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void sm3_csum_wd(const unsigned char *input, uint32_t len,
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unsigned char *output, unsigned int chunk_sz);
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#endif
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