(Ruby) List CSP's (Cryptographic Service Providers) on a Windows System

List the CSP's registered on a Windows system.

Note: This example requires Chilkat v9.5.0.77 or greater.

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

csp = Chilkat::CkCsp.new()
st = Chilkat::CkStringTable.new()

success = csp.GetProviders(st)
if (success == false)
    print csp.lastErrorText() + "\n";
    exit
end

# Iterate over the CSP names..
i = 0
numProviders = st.get_Count()
while i < numProviders
    print i.to_s() + ": " + st.stringAt(i) + "\n";
    i = i + 1
end

# Sample output:
# 
# 0: Microsoft Base Cryptographic Provider v1.0
# 1: Microsoft Base DSS and Diffie-Hellman Cryptographic Provider
# 2: Microsoft Base DSS Cryptographic Provider
# 3: Microsoft Base Smart Card Crypto Provider
# 4: Microsoft DH SChannel Cryptographic Provider
# 5: Microsoft Enhanced Cryptographic Provider v1.0
# 6: Microsoft Enhanced DSS and Diffie-Hellman Cryptographic Provider
# 7: Microsoft Enhanced RSA and AES Cryptographic Provider
# 8: Microsoft RSA SChannel Cryptographic Provider
# 9: Microsoft Strong Cryptographic Provider
#