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Improve backup code verification performance #1070
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Issue/Task Number: #1069
Closes #1069
Overview
This PR improves backup code verification performance by replacing the hashing logic as follow:
Crypto.hash_passwordtoCrypto.hash_secretCrypto.verify_passwordtoCrypto.verify_secretThe PR also move the backup code hashing logic from
EWallet.BackupCodeAuthenticatortoEWalletDB.UserBackupCodeso it's closer to the source (fewer data passing steps).