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Add ed25519 rule #436

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Add ed25519 rule #436

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14 changes: 13 additions & 1 deletion crypto/crypto_signatures.yar
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Original file line number Diff line number Diff line change
Expand Up @@ -1577,4 +1577,16 @@ rule SipHash_big_endian_constants {
$c3 = "setybdet"
condition:
2 of them
}
}

rule ed25519 {
meta:
author = "tobhe"
description = "ge25519 base point coordinates"
date = "2023-05"
strings:
$c0 = { 1A D5 25 8F 60 2D 56 C9 B2 A7 25 95 60 C7 2C 69 5C DC D6 FD 31 E2 A4 C0 FE 53 6E CD D3 36 69 21 }
$c1 = { 5c dc d6 fd 31 e2 a4 c0 fe 53 6e cd d3 36 69 21}
condition:
any of them
}