sodium_crypto_kdf_derive_from_key

(PHP 7 >= 7.2.0)

sodium_crypto_kdf_derive_from_key — Derive a subkey

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sodium_crypto_kdf_derive_from_key ( int $subkey_len , int $subkey_id , string $context , string $key ) : string

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subkey_len
subkey_id
context
key

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