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trait HkdfOps extends AnyRef

The expansion step of the HMAC-based key derivation function (HKDF) as defined in: https://tools.ietf.org/html/rfc5869

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HkdfOps with HmacOps
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  1. abstract def computeHkdfInternal(keyMaterial: ByteString, outputBytes: Int, info: HkdfInfo, salt: ByteString = ByteString.EMPTY, algorithm: HmacAlgorithm = defaultHmacAlgorithm): Either[HkdfError, SecureRandomness]
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  2. abstract def hkdfExpandInternal(keyMaterial: SecureRandomness, outputBytes: Int, info: HkdfInfo, algorithm: HmacAlgorithm = defaultHmacAlgorithm): Either[HkdfError, SecureRandomness]
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  6. def computeHkdf(keyMaterial: ByteString, outputBytes: Int, info: HkdfInfo, salt: ByteString = ByteString.EMPTY, algorithm: HmacAlgorithm = defaultHmacAlgorithm): Either[HkdfError, SecureRandomness]

    Produce a new secret from the given key material using the HKDF from RFC 5869 with both extract and expand phases.

    Produce a new secret from the given key material using the HKDF from RFC 5869 with both extract and expand phases.

    keyMaterial

    Input key material from which to derive another key.

    outputBytes

    The length of the produced secret. May be at most 255 times the size of the output of the selected hashing algorithm. If you need to derive multiple keys, set the info parameter to different values, for each key that you need.

    info

    Specify the purpose of the derived key (optional). Note that you can derive multiple independent keys from the same key material by varying the purpose.

    salt

    Optional salt. Should be set if the input key material is not cryptographically secure, uniformly random.

    algorithm

    The hash algorithm to be used for the HKDF construction

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