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Add SM4 rules #428

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Add SM4 rules #428

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36 changes: 36 additions & 0 deletions crypto/crypto_signatures.yar
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Original file line number Diff line number Diff line change
Expand Up @@ -1171,6 +1171,42 @@ rule RsaEuro_NN_modMult
$c0
}

rule SM4_SBox
{ meta:
author = "spelissier"
description = "SM4 SBox"
date = "2022-05"
reference="https://datatracker.ietf.org/doc/html/draft-ribose-cfrg-sm4-10#section-6.2.3"
strings:
$c0 = { D6 90 E9 FE CC E1 3D B7 16 B6 14 C2 28 FB 2C 05 }
condition:
$c0
}

rule SM4_FK
{ meta:
author = "spelissier"
description = "SM4 Familiy key FK"
date = "2022-05"
reference="https://datatracker.ietf.org/doc/html/draft-ribose-cfrg-sm4-10#section-7.3.1"
strings:
$c0 = { C6 BA B1 A3 50 33 AA 56 97 91 7D 67 DC 22 70 B2 }
condition:
$c0
}

rule SM4_CK
{ meta:
author = "spelissier"
description = "SM4 Constant Key CK"
date = "2022-05"
reference="https://datatracker.ietf.org/doc/html/draft-ribose-cfrg-sm4-10#section-7.3.2"
strings:
$c0 = { 15 0E 07 00 31 2A 23 1C 4D 46 3F 38 69 62 5B 54 }
condition:
$c0
}

rule Miracl_Big_constructor
{ meta:
author = "Maxx"
Expand Down