Method and apparatus for processing failure of cipher change of ciphertext in database

An apparatus for processing cipher change failure, the apparatus comprising a processor and a non-transitory computer-readable storage medium storing instructions that, when executed by the processor, cause the apparatus to perform operations comprising:

• storing a record's error information when a cipher change of ciphertext data in the record fails, the error information comprising an identifier of the record, a failure cause, an old key version number, and a new key version number;
• determining a retry strategy based on the stored failure cause, the determining a retry strategy comprising determining whether to implement an automatic retry or a manual retry based on whether the failure cause comprises at least one of:
• database inaccessibility, database jitter, database read/write errors, a state anomaly of a field value access system that performs the cipher change, or an execution anomaly of a cipher change execution component that calls the field value access system;
• and
• employing the retry strategy to reperform the cipher change of the ciphertext data in the record having the identifier by decrypting the ciphertext data with a key corresponding to the old key version number to obtain plaintext data, and encrypting the obtained plaintext data using a key corresponding to the new key version number.

A non-transitory computer-readable storage medium storing instructions that, when executed by a processor, cause the processor to perform operations comprising:

• storing a record's error information when a cipher change of ciphertext data in the record fails, the error information comprising an identifier of the record, a failure cause, an old key version number, and a new key version number;
• determining a retry strategy based on the stored failure cause, the determining a retry strategy comprising determining whether to implement an automatic retry or a manual retry based on whether the failure cause comprises at least one of:
• database inaccessibility, database jitter, database read/write errors, a state anomaly of a field value access system that performs the cipher change, or an execution anomaly of a cipher change execution component that calls the field value access system;
• and
• employing the retry strategy to reperform the cipher change of the ciphertext data in the record having the identifier by decrypting the ciphertext data with a key corresponding to the old key version number to obtain plaintext data, and encrypting the obtained plaintext data using a key corresponding to the new key version number.