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Add Encryption methods.#390

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dd32 merged 19 commits intotrunkWordPress/wporg-mu-plugins:trunkfrom add/encryption-methodsWordPress/wporg-mu-plugins:add/encryption-methodsCopy head branch name to clipboardApr 20, 2023

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Commits on Apr 12, 2023

• Add initial Encryption methods.

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Commits on Apr 13, 2023

• Clarify what '$additional_data' is.

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• Add wporg_authenticated_encrypt() and wporg_authenticated_decrypt() wrappers.

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• Remove the $key parameter from is_encrypted(). It's not an ideal scenario that should be needed.

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• Always use mb_strlen() for consistentness.

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• Tests: Add tests for the Encryption methods.

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Commits on Apr 14, 2023

• Whitespace and zero'ing of strings.

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• Standardise on Exceptions with a trailing full-stop.

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• get_encryption_key() throws an exception, there's no need to check it's return value as a result.

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• Tests: Don't use expectException() and instead test the exceptions thrown specifically. Ensures that test functions throwing unexpected Errors are caught.

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Commits on Apr 18, 2023

• Use #[\SensitiveParameter] within HiddenString.

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• Switch from storing keys in constants, and instead within the return value from a function. This allows them to be stored as HiddenString's.

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• Encrypted values don't need to return HiddenString.

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• Remove the non-auth encryption methods, and require $additional_data be specified.

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• Rename $additional_data to $context for easier reading.

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• Rename the $key parameters to $key_name to better define that it's the name/slug of a key, rather than the actual key value.

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• encrypt() no longer returns HiddenString, so when decrypting we don't need to be worried about that being the input.

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• Document the key methods as returning a HiddenString.

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Commits on Apr 20, 2023

• Correct incorrect types in docblock.

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