(Lianja) Generate an ECC Key

Demonstrates how to generate an ECC key.

Chilkat Lianja Extension Download Chilkat Lianja Extension

//  All Chilkat classes can be unlocked at once at the beginning of a program
//  by calling UnlockBundle.  It requires a Bundle unlock code.
loChilkatGlob = createobject("CkGlobal")
llSuccess = loChilkatGlob.UnlockBundle("Anything for 30-day trial.")
if (llSuccess <> .T.) then
    ? loChilkatGlob.LastErrorText
    release loChilkatGlob
    return
endif

//  Create a Fortuna PRNG and seed it with system entropy.
//  This will be our source of random data for generating the ECC private key.
loFortuna = createobject("CkPrng")
lcEntropy = loFortuna.GetEntropy(32,"base64")
llSuccess = loFortuna.AddEntropy(lcEntropy,"base64")

loEcc = createobject("CkEcc")

//  Generate a random ECC private key on the secp256r1 curve.
//  Chilkat also supports other curves, such as secp384r1, secp521r1, and secp256k1.

loPrivKey = loEcc.GenEccKey("secp256r1",loFortuna)
if (loEcc.LastMethodSuccess <> .T.) then
    ? loEcc.LastErrorText
    release loChilkatGlob
    release loFortuna
    release loEcc
    return
endif

? loPrivKey.GetXml()

//  Save the private key to PKCS8 encrypted PEM
//  (The private key can be saved in a variety of different formats. See the online reference documentation.)
llSuccess = loPrivKey.SavePkcs8EncryptedPemFile("pemPassword","myPemFiles/eccKey123.pem")
if (llSuccess <> .T.) then
    ? loPrivKey.LastErrorText
endif

release loPrivKey

? "finished."


release loChilkatGlob
release loFortuna
release loEcc