International PHP Conference Munich 2021

sodium_crypto_aead_chacha20poly1305_encrypt

(PHP 7 >= 7.2.0, PHP 8)

sodium_crypto_aead_chacha20poly1305_encryptEncrypt then authenticate with ChaCha20-Poly1305

Descrição

sodium_crypto_aead_chacha20poly1305_encrypt ( string $message , string $additional_data , string $nonce , string $key ) : string

Encrypt then authenticate with ChaCha20-Poly1305.

Parâmetros

message

The plaintext message to encrypt.

additional_data

Additional, authenticated data. This is used in the verification of the authentication tag appended to the ciphertext, but it is not encrypted or stored in the ciphertext.

nonce

A number that must be only used once, per message. 8 bytes long.

key

Encryption key (256-bit).

Valor Retornado

Returns the ciphertext and tag on success, ou false em caso de falha.

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