sodium_crypto_aead_chacha20poly1305_ietf_encrypt

(PHP 7 >= 7.2.0, PHP 8)

sodium_crypto_aead_chacha20poly1305_ietf_encrypt — Encrypt a message

說(shuō)明

sodium_crypto_aead_chacha20poly1305_ietf_encrypt(
    string $message,
    string $additional_data,
    string $nonce,
    string $key
): string

Encrypt then authenticate with ChaCha20-Poly1305 (IETF variant).

The IETF variant uses 96-bit nonces and 32-bit internal counters, instead of 64-bit for both.

參數

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. 12 bytes long.
key: Encryption key (256-bit).

返回值

Returns the ciphertext and tag on success, 或者在失敗時(shí)返回 false.

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sodium_crypto_aead_chacha20poly1305_ietf_encrypt

說(shuō)明

參數

返回值