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https://github.com/luxfi/pqclean.git
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Thom Wiggers
0f36b2842d
Remove #ifdefs, fix a64 lack of MSVC support, fix a cast Fix some bugs minor fixes Add duplicate consistency files more minor fixes Fix problems found by tests Fix 32-bit compatibility problems Fix more bugs Windows compat issues Fix KECCAK4X in NMake makefiles
28 lines
1.2 KiB
C
28 lines
1.2 KiB
C
#ifndef SHA2_OFFSETS_H_
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#define SHA2_OFFSETS_H_
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#define SPX_SHA256_BLOCK_BYTES 64
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#define SPX_SHA256_OUTPUT_BYTES 32
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#define SPX_SHA512_BLOCK_BYTES 128
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#define SPX_SHA512_OUTPUT_BYTES 64
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/*
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* Offsets of various fields in the address structure when we use SHA2 as
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* the Sphincs+ hash function
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*/
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#define SPX_OFFSET_LAYER 0 /* The byte used to specify the Merkle tree layer */
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#define SPX_OFFSET_TREE 1 /* The start of the 8 byte field used to specify the tree */
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#define SPX_OFFSET_TYPE 9 /* The byte used to specify the hash type (reason) */
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#define SPX_OFFSET_KP_ADDR2 12 /* The high byte used to specify the key pair (which one-time signature) */
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#define SPX_OFFSET_KP_ADDR1 13 /* The low byte used to specify the key pair */
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#define SPX_OFFSET_CHAIN_ADDR 17 /* The byte used to specify the chain address (which Winternitz chain) */
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#define SPX_OFFSET_HASH_ADDR 21 /* The byte used to specify the hash address (where in the Winternitz chain) */
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#define SPX_OFFSET_TREE_HGT 17 /* The byte used to specify the height of this node in the FORS or Merkle tree */
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#define SPX_OFFSET_TREE_INDEX 18 /* The start of the 4 byte field used to specify the node in the FORS or Merkle tree */
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#define SPX_SHA2 1
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#endif /* SHA2_OFFSETS_H_ */
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