sodium_crypto_aead_aes256gcm_is_available
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    PHP Manual»Sodium Functions»sodium_crypto_aead_aes256gcm_is_available

    sodium_crypto_aead_aes256gcm_is_available

    (PHP 7 >= 7.2.0, PHP 8)

    sodium_crypto_aead_aes256gcm_is_available — Check if hardware supports AES256-GCM

    Description

    function sodium_crypto_aead_aes256gcm_is_available(): bool

    The return value of this function depends on whether or not the hardware supports hardware-accelerated AES.

    Parameters

    This function has no parameters.

    Return Values

    Returns true if it is safe to encrypt with AES-256-GCM, and false otherwise.

    Changelog

    Version Description
    8.4.0 This function may now return true on aarch64 CPUs with the ARM cryptographic extensions. Previously, hardware-accelerated AES-256-GCM was only detected on x86 and x86_64, and this function always returned false on aarch64.
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