SSL:alg_keysize()

Returns the SSL encryption key size in the handshake.

Syntax

SSL:alg_keysize();

Arguments

N/A

Events

Applicable in the following events:

• CLIENTSSL_HANDSHAKE

• SERVERSSL_HANDSHAKE

• SERVERSSL_RENEGOTIATE

• WAF_REQUEST_ATTACK_DETECTED

• WAF_REQUEST_BEFORE_SCAN

Example

when CLIENTSSL_HANDSHAKE {
debug("client handshake\n")
ci=SSL:cipher()
key=SSL:alg_keysize()
debug("Cipher: %s\n",ci)
debug("Alg key size: %s \n",key)
}
Result: (client send https request with various ciphers)
client handshake
Cipher: ECDHE-RSA-RC4-SHA
Alg key size: 128
or
client handshake
Cipher: ECDHE-RSA-DES-CBC3-SHA
Alg key size: 168
or
client handshake
Cipher: EDH-RSA-DES-CBC-SHA
Alg key size: 56
or
client handshake
Cipher: ECDHE-RSA-AES256-GCM-SHA384
Alg key size: 256

Supported Version

FortiADC version 5.0.x and later.