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| var atEncryptionKeyPair = atChops.atChopsKeys.atEncryptionKeyPair; | ||
| var atEncryptionKeyPair = | ||
| atChops.atChopsKeys.atEncryptionKeyPair as AtRSAKeyPair?; |
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Example of the place we need the cast, atChopsKeys has been generalized
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| library at_chops; | |||
| // export cryptography wrappers | |||
| export 'src/hashing/hashing.dart'; | |||
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Added files named after the directories in src to make export management easier.
| await _getHashKey(passPhrase, _hashingAlgoType, hashParams: hashParams); | ||
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| AESKey aesKey = AESKey(hashKey); | ||
| AtAESKey aesKey = AtAESKey(hashKey); |
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renamed to prevent namespace collisions with other packages.
| AtChopsKeys get atChopsKeys; | ||
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| AtChopsKeys get atChopsKeys => _atChopsKeys; | ||
| const AtChops.init(); |
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This constructor does nothing, it only exists to allow the class to be extended.
| SymmetricKey? apkamSymmetricKey; | ||
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| /// EnrollmentId associated with pkam keys | ||
| String? enrollmentId; |
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Added enrollmentId so that AtAuthKeys in at_auth can be casted to and from AtChopsKeys (without losing information).
| /// These parameters are particularly useful when working with algorithms | ||
| /// like Argon2id, which can be adjusted for performance and security needs. | ||
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| class ArgonHashParams extends HashParams { |
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Moved from a separate file to be with it's hashing algorithm implementation
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| class HashParams {} | ||
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| class DefaultHashingAlgo extends Md5HashingAlgo {} |
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I've taken all the DefaultXXXAlgo and named them after their proper algorithm, then extended each of them to become the new DefaultAlgo. They still all conform to the same interface.
| import 'dart:typed_data'; | ||
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| /// Represents a key pair for asymmetric public-private key encryption/decryption | ||
| abstract class AsymmetricKeyPair<Pub extends AtPublicKey, |
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AsymmetricKeyPairs can now be flavored with covariants of AtPublicKey and AtPrivateKey. Non breaking change, as they still conform to the same interface.
| final String _aesKey; | ||
| class AtAESKey extends SymmetricKey { | ||
| @override | ||
| final Uint8List raw; |
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Changed so that the stored member is the raw bytes rather than the base64 encoded string. This should reduce decrypt/encrypt latency as we don't need to decode every time now.
xavierchanth
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| enum EncryptionKeyType { rsa2048, rsa4096, ecc, aes128, aes192, aes256 } | |||
| enum EncryptionKeyType { | |||
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This is going to be a blocker later...
Sometimes we want to infer an algo, but when we infer from a runtimeType we don't always have the key size, nor care about the key size.
But also, when we get the algo used to encrypt / sign from a string, it's useful to have the algo. It's questionable whether it's useful to have the size. Maybe we need to make this a sealed class later, but, then it's not open to extension...
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Setting back to draft, more work to be done. |
1 participant
- What I did
Breaking:
(although breaking, today it only requires an additional cast in some places from
AtSymmetricKeyPairtoAtRSAKeyPair?)However, this future proofs the API in preparation for supporting different key types / algos for pkam and shared encryption, it is actually the other parts of the API that need to be adapted which will element the need for the cast
Non-breaking:
- How I did it
- How to verify it
- Description for the changelog
breaking!: Reorganize atchops