Returns the length of key in bits given the public or private key string.
Public Declare Function RSA_KeyBits Lib "diCrPKI.dll"
(ByVal strKey As String) As Long
nRet = RSA_KeyBits(strKey)
long __stdcall RSA_KeyBits(const char *szKeyString);
returns the number of significant bits in the key modulus or a negative error code.
Rsa.KeyBits Method (String)
Rsa.KeyBits Method (StringBuilder)