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(Classic ASP) RSA Encrypt and OpenSSL DecryptDemonstrates how to use Chilkat to RSA encrypt, and then use OpenSSL to decrypt. Note: This example requires Chilkat v11.0.0 or greater.
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% success = 0 ' This requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. set rsa = Server.CreateObject("Chilkat.Rsa") set privKey = Server.CreateObject("Chilkat.PrivateKey") success = rsa.GenKey(2048,privKey) success = privKey.SavePkcs8PemFile("qa_output/privKey.pem") set pubKey = Server.CreateObject("Chilkat.PublicKey") success = privKey.ToPublicKey(pubKey) rsa.EncodingMode = "base64" plainText = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz01234567890" bUsePrivateKey = 0 success = rsa.UsePublicKey(pubKey) encryptedStr = rsa.EncryptStringENC(plainText,bUsePrivateKey) set bd = Server.CreateObject("Chilkat.BinData") success = bd.AppendEncoded(encryptedStr,"base64") success = bd.WriteFile("qa_output/enc.dat") ' The OpenSSL command to decrypt is: ' openssl pkeyutl -in enc.dat -inkey privKey.pem -keyform PEM -pkeyopt rsa_padding_mode:pkcs1 -decrypt Response.Write "<pre>" & Server.HTMLEncode( "OK") & "</pre>" %> </body> </html> |
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