sodium_crypto_kdf_keygen
(PHP 7 >= 7.2.0, PHP 8)
sodium_crypto_kdf_keygen — Generate a random root key for the KDF interface
说明
sodium_crypto_kdf_keygen(): string
Generates a random key suitable for serving as the root key for sodium_crypto_kdf_derive_from_key().
参数
此函数没有参数。
返回值
A random 256-bit key.
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