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14b8dfb2bd
a8333fc9ff9adaa97a1f9024f5783cc071777150 scripted-diff: wallet: rename plain and encrypted master key variables (Sebastian Falbesoner)
5a92077fd5317f936da2fa0aa45e0173248f765b wallet: refactor: dedup master key decryption (Sebastian Falbesoner)
846545947cd3b993c40362b9d0afcd7b4f5f05bd wallet: refactor: dedup master key encryption / derivation rounds setting (Sebastian Falbesoner)
a6d9b415aa3afcfe463887d0fde00c3d2d32672a wallet: refactor: introduce `CMasterKey::DEFAULT_DERIVE_ITERATIONS` constant (Sebastian Falbesoner)
62c209f50d9c33fde5062ebca317b9a4233aff62 wallet: doc: remove mentions of unavailable scrypt derivation method (Sebastian Falbesoner)
Pull request description:
This PR contains various cleanups around the wallet's master key encryption logic. The default/minimum key derivation rounds magic number of 25000 is hoisted into a constant (member of `CMasterKey`) and two new functions `EncryptMasterKey`/`DecryptMasterKey` are introduced in order to deduplicate code for the derivation round determination and master key en/decryption. Also, mentions of the never-implemented derivation method `scrypt` are removed from the wallet crypter header and both plain and encrypted master key instances are renamed to adapt to moderning coding style (hopefully improving readability).
ACKs for top commit:
davidgumberg:
ACK a8333fc9ff
achow101:
ACK a8333fc9ff9adaa97a1f9024f5783cc071777150
Tree-SHA512: 5a66d3b26f481347d0b5b4f742dd237803a35aad6e3480ed15fd38b7fa3700650bd5f67f4c30ed88f5fad45d6cd4c893fe4f1657e36e563b4294fd3596187724