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(Swift) Duplicate OpensSSL Command that Decrypts Binary DERThis example duplicates the following: openssl smime -decrypt -in INPUT_FILE -inform der -binary -out OUTPUT_FILE -recip PEM_CERT_AND_KEY -passin pass:PRIVKEY_PASSWORD Note: Although "smime" is the OpenSSL command, we're not really dealing with S/MIME. The arguments "-inform der -binary" indicate that the input is simply the binary DER (i.e. the PKCS7 binary encrypted object). The output can be any type of file (whatever was encrypted).
func chilkatTest() { // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. let crypt = CkoCrypt2()! crypt.cryptAlgorithm = "pki" let pem = CkoPem()! var success: Bool = pem.loadFile("qa_data/pem/myPem.pem", password: "password") if success != true { print("\(pem.lastErrorText!)") return } var privkey: CkoPrivateKey? = pem.getPrivateKey(0) if pem.lastMethodSuccess != true { print("\(pem.lastErrorText!)") return } var cert: CkoCert? = pem.getCert(0) if pem.lastMethodSuccess != true { privkey = nil print("\(pem.lastErrorText!)") return } success = crypt.setDecryptCert2(cert, key: privkey) if success != true { privkey = nil cert = nil print("\(crypt.lastErrorText!)") return } privkey = nil cert = nil success = crypt.ckDecryptFile("qa_data/infile.enc", destFile: "qa_output/outfile.dat") if success != true { print("\(crypt.lastErrorText!)") return } print("Success.") } |
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