Syntax
crypto_cipher_mode( ciphername )
Returns#
Returns the mode of the specified cipher as a string (e.g., "cbc", "ecb", "stream"), or an empty string if an invalid ciphername is specified.
Parameters#
| Parameter | Description |
|---|---|
ciphername |
an OpenSSL cipher identifier, such as "aes-128-cbc" or "rc2-ofb". |