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(Ruby) Create PKCS1 RSA Signature with PEM Private KeySee more RSA ExamplesDemonstrates how to load a private key from a PEM file and create a PKCS1 RSA digital signature.Note: This example requires Chilkat v11.0.0 or greater.
require 'chilkat' success = false # This example assumes the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. pkey = Chilkat::CkPrivateKey.new() # Load the private key from an RSA PEM file: success = pkey.LoadPemFile("pvkey2_rsa.pem") if (success == false) print pkey.lastErrorText() + "\n"; exit end rsa = Chilkat::CkRsa.new() # Import the private key into the RSA object: success = rsa.UsePrivateKey(pkey) if (success == false) print rsa.lastErrorText() + "\n"; exit end # Get the signature as hex. rsa.put_EncodingMode("hex") strData = "This is the string to be signed." # Sign the string using the sha-1 hash algorithm. # Other valid choices are "md2", "md5", "sha256", # "sha384", and "sha512". hexSig = rsa.signStringENC(strData,"sha-1") print hexSig + "\n"; print "Success!" + "\n"; |
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