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Cipher

agent_first_pay::rpc::crypto

Struct Cipher 

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pub struct Cipher { /* private fields */ }

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impl Cipher

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pub fn from_secret(secret: &str) -> Self

Derive a 32-byte AES-256 key from an arbitrary secret string via SHA-256.

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pub fn encrypt(&self, plaintext: &[u8]) -> Result<(Vec<u8>, Vec<u8>), String>

Encrypt plaintext: zstd compress → AES-256-GCM encrypt. Returns (nonce, ciphertext).

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pub fn decrypt( &self, nonce: &[u8], ciphertext: &[u8], ) -> Result<Vec<u8>, String>

Decrypt ciphertext: AES-256-GCM decrypt → zstd decompress.

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