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Throw on unexpected cleartext symmetric algo in PKESK v6 for x25519/x448

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larabr 2024-03-20 18:50:51 +01:00
parent 36635704e4
commit da88cc22e8
1 changed files with 6 additions and 3 deletions
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9
src/packet/public_key_encrypted_session_key.js
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@ -128,9 +128,12 @@ class PublicKeyEncryptedSessionKeyPacket {
} }
this.publicKeyAlgorithm = bytes[offset++]; this.publicKeyAlgorithm = bytes[offset++];
this.encrypted = crypto.parseEncSessionKeyParams(this.publicKeyAlgorithm, bytes.subarray(offset)); this.encrypted = crypto.parseEncSessionKeyParams(this.publicKeyAlgorithm, bytes.subarray(offset));
if (this.version === 3 && ( if (this.publicKeyAlgorithm === enums.publicKey.x25519 || this.publicKeyAlgorithm === enums.publicKey.x448) {
this.publicKeyAlgorithm === enums.publicKey.x25519 || this.publicKeyAlgorithm === enums.publicKey.x448)) { if (this.version === 3) {
this.sessionKeyAlgorithm = enums.write(enums.symmetric, this.encrypted.C.algorithm); this.sessionKeyAlgorithm = enums.write(enums.symmetric, this.encrypted.C.algorithm);
} else if (this.encrypted.C.algorithm !== null) {
throw new Error('Unexpected cleartext symmetric algorithm');
}
} }
} }