Implement secure key storage functionality, including updates to Carg… #164
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…o.toml and new key storage modules
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Description: This pull request introduces secure key storage functionality into the POP server, as requested in ticket #40. Key changes include:
Secure Key Storage:
Added SecretBox for secure management of sensitive keys and credentials.
Modifications:
Cargo.toml: Added dependencies for secrecy, zeroize, and serde to enhance secret handling and serialization.
src/lib.rs: Implemented the secret_key module with SecretBox.
src/main.rs: Integrated secure key storage functionality.
New Files:
src/secret_key.rs: Defines the SecretBox and related traits.
src/secure_key/: Directory for additional secure key management code.
Implementation Details:
Secure Memory Management: Ensures secrets are zeroized on drop using zeroize.
Serde Integration: Supports optional serialization and deserialization of secrets with safeguards.