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StreamingAes256CbcHmacDecryptor

bitwarden_crypto::stream::aes256_cbc_hmac_legacy_stream

Struct StreamingAes256CbcHmacDecryptor 

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pub struct StreamingAes256CbcHmacDecryptor {
    buffer: Vec<u8>,
    decryptor_state: DecryptorState,
}
Expand description

Streaming AES-256-CBC + HMAC-SHA256 decryptor. The HMAC is verified only when StreamingDecryptor::update is called with last_block = true; bytes returned from earlier update calls as ChunkDecryptionResult::DecryptedChunk are decrypted but not yet authenticated and must be treated as untrusted until the terminal ChunkDecryptionResult::FinalDecryptedChunk is observed.

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§buffer: Vec<u8>§decryptor_state: DecryptorState

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Trait Implementations§

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impl StreamingDecryptor for StreamingAes256CbcHmacDecryptor

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fn update( &mut self, ciphertext_chunk: &[u8], last_block: bool, ) -> ChunkDecryptionResult

Updates the decryptor with a chunk of ciphertext. If last_block is false, the chunk must not contain the end of the stream, if it is true, it must contain the end of the stream.

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