(PHP 7 >= 7.2.0, PHP 8)

sodium_crypto_box_secretkeyExtracts the secret key from a crypto_box keypair


sodium_crypto_box_secretkey(string $key_pair): string

Given a keypair, fetch only the secret key.

Liste de param├Ętres


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

Valeurs de retour

X25519 secret key.

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