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Aes256Gcm

craft_codec

Struct Aes256Gcm 

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pub struct Aes256Gcm(/* private fields */);
Expand description

AES-256-GCM with nonce 0u32 || index.to_be_bytes(), empty AAD and a suffix tag.

Use one independent key per immutable object. Never encrypt distinct payloads under the same key/index, even across encoder instances. Metadata must be trusted. Key generation and persistence belong to the caller.

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impl Aes256Gcm

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pub fn new(key: &[u8; 32]) -> Self

Initialize the expanded key once. The caller retains responsibility for its original key bytes. The underlying cipher enables its zeroize feature.

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impl EncryptionCodec for Aes256Gcm

Available on crate feature aes-gcm only.
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const FORMAT: Encryption = Encryption::Aes256Gcm

Metadata format implemented by this codec.

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