NDNts

    Interface Options

    Options for Initialization Vectors using fixed+random+counter structure.

    IVs following this construction method have three parts:

    1. fixed bits, specified in options.
    2. random bits, different for each key and in each session.
    3. counter bits, monotonically increasing for each plaintext/ciphertext block.
    interface Options {
        blockSize: number;
        counterBits: number;
        fixed?: bigint | Uint8Array<ArrayBufferLike>;
        fixedBits?: number;
        ivLength: number;
        requireSameRandom?: boolean;
    }

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    Properties

    blockSize counterBits fixed? fixedBits? ivLength requireSameRandom?

    Properties

    blockSize: number

    Crypto algorithm block size in octets. If plaintext and ciphertext have different lengths, the longer length is considered.

    counterBits: number

    Number of counter bits.

    fixed?: bigint | Uint8Array<ArrayBufferLike>

    Fixed portion.

    Required if fixedBits is positive. This may be specified as a bigint or a Uint8Array. If it's a Uint8Array, it must have at least fixedBits bits. The least significant bits are taken.

    fixedBits?: number

    Number of fixed bits.

    0

    ivLength: number

    IV length in octets.

    requireSameRandom?: boolean

    If true, all IVs must have the same bits in the random portion.

    false

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