sodium_crypto_box_secretkey

(PHP 7 >= 7.2.0, PHP 8)

sodium_crypto_box_secretkey — Extracts the secret key from a crypto_box keypair

说明

sodium_crypto_box_secretkey(string $key_pair): string

Given a keypair, fetch only the secret key.

参数

key_pair

A keypair, such as one generated by sodium_crypto_box_keypair() or sodium_crypto_box_seed_keypair()

返回值

X25519 secret key.

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