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sodium_crypto_aead_aegis256_decrypt

(PHP 8 >= 8.4.0)

sodium_crypto_aead_aegis256_decryptVerify then decrypt a message with AEGIS-256

Description

sodium_crypto_aead_aegis256_decrypt(
 string $ciphertext,
 string $additional_data,
 string $nonce,
 #[\SensitiveParameter] string $key
): string|false

Verify then decrypt a message with AEGIS-256.

Parameters

ciphertext
Must be in the format provided by sodium_crypto_aead_aegis256_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.
key
Encryption key (256-bit).

Return Values

Returns the plaintext on success, or false on failure.

See Also

© 1997–2025 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.sodium-crypto-aead-aegis256-decrypt.php