Make XEdDSASigning work with firmware generated signatures - #131

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lkosson wants to merge 17 commits into

meshtastic:masterfrom

Commits on Jul 6, 2026

Commits on Jul 8, 2026

Added test cases for signatures produced by 2.8 firmware
lkosson
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bdd3ade
Helper for verifying MeshPacket signature
lkosson
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a69d61b
Helper for adding MeshPacket signature
lkosson
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eea93b5
Force positive sign on Ed25519 key derived from X25519
lkosson
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b74e3f9
Added docs
lkosson
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869330b
Test case for Ed25519 public key derived from private key matched the one derived from X25519 public key
lkosson
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ded4b1b
Test both positive and negative (scalar sign-flipping) GenerateEdDSAKeysFromX25519 paths
lkosson
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fbfbf28
Proper derivation of public Ed25519 key from private key
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10286f5
Reduce scalar before negating
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403d184
Deterministic test cases for positive/negative scalar sign during public key generation
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f3f475d
Use Ed25519 Sign/Verify primitives directly
lkosson
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1cc60e1

Commits on Jul 9, 2026

Sign method, as expected by the firmware
lkosson
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28cbbcb
Internal BouncyCastle's methods imported only once
lkosson
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812b0f6