Apple CryptoKit

1. Essentials

   Covers Complying with Encryption Export Regulations, Performing Common Cryptographic Operations, Storing CryptoKit Keys in the Keychain, Enhancing your app’s privacy and security with quantum-secure workflows.

2. Cryptographically secure hashes

   Covers HashFunction, SHA512, SHA384, SHA256.

3. Message authentication codes

   Covers HMAC, SymmetricKey, SymmetricKeySize.

4. Ciphers

   Covers AES, ChaChaPoly.

5. Public key cryptography

   Covers Curve25519, P521, P384, P256.

6. Key derivation functions

   Covers HKDF.

7. Key encapsulation mechanisms (KEM)

   Covers KEM, MLKEM768, MLKEM1024, XWingMLKEM768X25519.

8. KEM keys

   Covers KEMPrivateKey, KEMPublicKey.

9. Errors

   Covers CryptoKitError, CryptoKitASN1Error.

10. Legacy algorithms

    Covers Insecure.

11. Protocols

    Covers DiffieHellmanKeyAgreement, HPKEDiffieHellmanPrivateKey, HPKEDiffieHellmanPrivateKeyGeneration, HPKEDiffieHellmanPublicKey.

12. Structures

    Covers CorecryptoCurveType, SHA3_256, SHA3_256Digest, SHA3_384.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

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