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101 lines
2.0 KiB
C
101 lines
2.0 KiB
C
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/// @file rainbow_config.h
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/// @brief Defining the parameters of the Rainbow and the corresponding constants.
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///
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/// Defining one of the 3 parameter _RAINBOW16_32_32_32 , _RAINBOW256_68_36_36 , or _RAINBOW256_92_48_48
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/// for (GF16,32,32,32) (GF256,68,36,36) (GF256,92,48,48) in this file.
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///
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///
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#ifndef _H_RAINBOW_CONFIG_H_
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#define _H_RAINBOW_CONFIG_H_
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// TODO: refactor this
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/// the defined parameter
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#if (!defined(_RAINBOW16_32_32_32))&&(!defined(_RAINBOW256_68_36_36))&&(!defined(_RAINBOW256_92_48_48))
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#define _RAINBOW16_32_32_32
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//#define _RAINBOW256_68_36_36
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//#define _RAINBOW256_92_48_48
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#endif
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#if defined _RAINBOW16_32_32_32
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#define _USE_GF16
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#define _GFSIZE 16
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#define _V1 32
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#define _O1 32
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#define _O2 32
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#define _HASH_LEN 32
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#elif defined _RAINBOW256_68_36_36
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#define _GFSIZE 256
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#define _V1 68
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#define _O1 36
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#define _O2 36
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#define _HASH_LEN 48
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#elif defined _RAINBOW256_92_48_48
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#define _GFSIZE 256
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#define _V1 92
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#define _O1 48
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#define _O2 48
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#define _HASH_LEN 64
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#else
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error here.
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#endif
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#define _V2 ((_V1)+(_O1))
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#define STR1(x) #x
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#define THE_NAME(gf,v1,o1,o2) "RAINBOW(" STR1(gf) "," STR1(v1) "," STR1(o1) "," STR1(o2) ")"
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#define _S_NAME THE_NAME(_GFSIZE,_V1,_O1,_O2)
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/// size of N, in # of gf elements.
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#define _PUB_N (_V1+_O1+_O2)
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/// size of M, in # gf elements.
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#define _PUB_M (_O1+_O2)
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/// size of variables, in # bytes.
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#ifdef _USE_GF16
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// GF16
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#define _V1_BYTE (_V1/2)
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#define _V2_BYTE (_V2/2)
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#define _O1_BYTE (_O1/2)
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#define _O2_BYTE (_O2/2)
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#define _PUB_N_BYTE (_PUB_N/2)
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#define _PUB_M_BYTE (_PUB_M/2)
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#else
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// GF256
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#define _V1_BYTE (_V1)
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#define _V2_BYTE (_V2)
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#define _O1_BYTE (_O1)
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#define _O2_BYTE (_O2)
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#define _PUB_N_BYTE (_PUB_N)
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#define _PUB_M_BYTE (_PUB_M)
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#endif
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/// length of seed for public key, in # bytes
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#define LEN_PKSEED 32
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/// length of seed for secret key, in # bytes
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#define LEN_SKSEED 32
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/// length of salt for a signature, in # bytes
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#define _SALT_BYTE 16
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/// length of a signature
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#define _SIGNATURE_BYTE (_PUB_N_BYTE + _SALT_BYTE )
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#endif // _H_RAINBOW_CONFIG_H_
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