PHP Conference Nagoya 2025

    sodium_crypto_aead_aes256gcm_encrypt

    (PHP 7 >= 7.2.0, PHP 8)

    sodium_crypto_aead_aes256gcm_encrypt — Encrypt then authenticate with AES-256-GCM

    说明

    sodium_crypto_aead_aes256gcm_encrypt(
        #[\SensitiveParameter] string $message,
        string $additional_data,
        string $nonce,
        #[\SensitiveParameter] string $key
    ): string

    Encrypt then authenticate with AES-256-GCM. Only available if sodium_crypto_aead_aes256gcm_is_available() returns true.

    参数

    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 authentication tag as a string of raw binary bytes. (Format: ciphertext, then tag.)

    发现了问题？

    了解如何改进此页面 • 提交拉取请求 • 报告一个错误
    ＋添加备注

    用户贡献的备注

    此页面尚无用户贡献的备注。
    To Top