33 lines
1.4 KiB
Dart
33 lines
1.4 KiB
Dart
/// Triggered during X3DH if the signature if the SPK does verify to the actual SPK.
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class InvalidSignatureException implements Exception {
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String errMsg() => 'The signature of the SPK does not match the provided signature';
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}
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/// Triggered by the Double Ratchet if the computed HMAC does not match the attached HMAC.
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/// Triggered by the Session Manager if the computed HMAC does not match the attached HMAC.
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class InvalidMessageHMACException implements Exception {
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String errMsg() => 'The computed HMAC does not match the provided HMAC';
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}
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/// Triggered by the Double Ratchet if skipping messages would cause skipping more than
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/// MAXSKIP messages
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class SkippingTooManyMessagesException implements Exception {
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String errMsg() => 'Skipping messages would cause a skip bigger than MAXSKIP';
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}
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/// Triggered by the Session Manager if the message key is not encrypted for the device.
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class NotEncryptedForDeviceException implements Exception {
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String errMsg() => 'Not encrypted for this device';
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}
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/// Triggered by the Session Manager when there is no key for decrypting the message.
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class NoDecryptionKeyException implements Exception {
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String errMsg() => 'No key available for decrypting the message';
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}
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/// Triggered by the Session Manager when the identifier of the used Signed Prekey
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/// is neither the current SPK's identifier nor the old one's.
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class UnknownSignedPrekeyException implements Exception {
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String errMsg() => 'Unknown Signed Prekey used.';
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}
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