sodium_crypto_aead_aegis256_decrypt

Verify then decrypt a message with AEGIS-256

説明

stringfalse sodium_crypto_aead_aegis256_decrypt(
    string $ciphertext,
    string $additional_data,
    string $nonce,
    #[\SensitiveParameter]string $key
)

Verify then decrypt a message with AEGIS-256.

パラメータ

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).

戻り値

Returns the plaintext on success, 失敗した場合に false を返します.

参考

  • sodium_crypto_aead_aegis256_encrypt
  • sodium_crypto_aead_aegis256_keygen