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(Classic ASP) RSA Decrypt using PEMThis example demonstrates decryping RSA encrypted data that is base64 encoded. It uses a private key loaded from a PEM file.
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% ' This example assumes the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Rsa") set rsa = Server.CreateObject("Chilkat.Rsa") ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.PrivateKey") set key = Server.CreateObject("Chilkat.PrivateKey") ' Load an RSA private key from an unencrypted PEM file: ' (To load from an encrypted PEM file, call LoadEncryptedPemFile instead.) success = key.LoadPemFile("qa_data/rsa/decryptTest/priv.pem") If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( key.LastErrorText) & "</pre>" Response.End End If ' Make the key available to the RSA object success = rsa.ImportPrivateKeyObj(key) If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( rsa.LastErrorText) & "</pre>" Response.End End If encryptedStr = "pP9XFJEsGgxPNHEgNiLB5H5ksCOXDk/G49BPTog1jKLAhYofV4UTH5k2TOYiqRnDnKs8+8uPoN/IxdiGXvuYG8HRzN0HtkhoZO/AxeyaB9S7eddCUlT0Pl2PEB2yQ9HG5rM7jqYOD6MAM4cuX7hqT8fa8tbzJzmBwdfFDBz94bwQjULHiO+gklIBC4vhkXT4yjuvEjxTAKU6tJeZYkBooJNdS/vE5RZRpuF6bGZU41Qc17qFR+iReBq+9f8IMmw8WR8fMbOCaygOfFS1nw7JVsIMGsAIXS8rUaJ/2DfGPfQx5HCiVtTOreGYRUI3esAQjnvUCnavZyQgs53nl7e2aA==" rsa.EncodingMode = "base64" usePrivateKey = 1 decryptedStr = rsa.DecryptStringENC(encryptedStr,usePrivateKey) Response.Write "<pre>" & Server.HTMLEncode( "Decrypted:") & "</pre>" Response.Write "<pre>" & Server.HTMLEncode( decryptedStr) & "</pre>" %> </body> </html> |
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