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Nano S Can't Generate ECDH Secret with ED25519 #33

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Xelynega opened this issue Jan 7, 2022 · 0 comments
Open

Nano S Can't Generate ECDH Secret with ED25519 #33

Xelynega opened this issue Jan 7, 2022 · 0 comments

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@Xelynega
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Xelynega commented Jan 7, 2022

When trying to use the INS_GET_ECDH_SECRET apdu, the results are as expected when supplying an secp256k1 public key and P2 is set to P2_PRIME256. If an ed25519 public key is used instead, or if P2 is set to P2_CURVE25519, my ledger nano S freezes on the "PGP Agent ECHD?" menu. Is this a firmware limitation, or an issue with the current implementation of ins_get_ecdh_secret?
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