Extract() [3/3]

static int System.Security.Cryptography.HKDF.Extract ( HashAlgorithmName hashAlgorithmName, ReadOnlySpan< byte > ikm, ReadOnlySpan< byte > salt, Span< byte > prk )

inlinestatic

Definition at line 20 of file HKDF.cs.

    {
        int num = HashLength(hashAlgorithmName);
        if (prk.Length < num)
        {
            throw new ArgumentException(System.SR.Format(System.SR.Cryptography_Prk_TooSmall, num), "prk");
        }
        if (prk.Length > num)
        {
            prk = prk.Slice(0, num);
        }
        Extract(hashAlgorithmName, num, ikm, salt, prk);
        return num;
    }

References System.SR.Cryptography_Prk_TooSmall, System.Security.Cryptography.HKDF.Extract(), System.SR.Format(), System.Security.Cryptography.HKDF.HashLength(), System.Span< T >.Length, and System.Span< T >.Slice().