c37b9dcfca
Versions are incompatible due to different address formats and differing message compression!
84 regels
1.6 KiB
C
84 regels
1.6 KiB
C
/*
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hash.c version 20160210
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Andreas Hülsing
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Joost Rijneveld
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Public domain.
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*/
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/*
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* Used in hash.c
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*/
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#define SET_BLOCK_BIT(a, b) (a[15] = (a[15] & 1) | ((b << 1) & 2))
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#define SET_KEY_BIT(a, b) (a[15] = (a[15] & 2) | (b & 1))
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#define WOTS_SELECT_KEY(a) (a[15] = 1)
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#define WOTS_SELECT_BLOCK(a) (a[15] = 0)
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/*
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* Used in wots.c
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*/
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#define SET_HASH_ADDRESS(a, v) {\
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a[14] = (v & 255);}
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#define SET_CHAIN_ADDRESS(a, v) {\
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a[13] = (v & 255);\
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a[12] = ((v >> 8) & 255);}
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/*
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* Used in xmss_fast.c and xmss.c
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*/
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#define SET_LAYER_ADDRESS(a, v) {\
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a[0] = (v & 255);}
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#define SET_TREE_ADDRESS(a, v) {\
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a[5] = (v & 255);\
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a[4] = (v >> 8) & 255;\
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a[3] = (v >> 16) & 255;\
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a[2] = (v >> 24) & 255;\
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a[1] = (v >> 32) & 255;}
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#define SET_OTS_BIT(a, b) {\
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a[6] = (b & 1);\
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a[7] = 0;\
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a[8] = 0;}
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#define SET_OTS_ADDRESS(a, v) {\
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a[11] = (v & 255);\
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a[10] = (v >> 8) & 255;\
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a[9] = (v >> 16) & 255;}
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#define ZEROISE_OTS_ADDR(a) {\
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a[12] = 0;\
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a[13] = 0;\
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a[14] = 0;\
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a[15] = 0;}
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#define SET_LTREE_BIT(a, b) {\
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a[7] = (a[7] & 0) | (b & 1);}
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#define SET_LTREE_ADDRESS(a, v) {\
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a[10] = v & 255;\
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a[9] = (v >> 8) & 255;\
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a[8] = (v >> 16) & 255;}
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#define SET_LTREE_TREE_HEIGHT(a, v) {\
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a[11] = (v & 255);}
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#define SET_LTREE_TREE_INDEX(a, v) {\
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a[14] = (v & 255);\
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a[13] = (v >> 8) & 255;\
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a[12] = (v >> 16) & 3;}
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#define SET_NODE_PADDING(a) {\
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a[8] = 0;\
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a[9] = 0;\
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a[10] = 0;}
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#define SET_NODE_TREE_HEIGHT(a, v) {\
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a[11] = (v & 255);}
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#define SET_NODE_TREE_INDEX(a, v) {\
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a[14] = v & 255;\
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a[13] = (v >> 8) & 255;\
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a[12] = (v >> 16) & 255;}
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