Sample code for 30+ languages & platforms
Lianja

Generate an RSA Key and Save to Encrypted PEM

See more RSA Examples

Demonstrates how to generate an RSA key and save to an encrypted PEM file.

Chilkat Lianja Downloads

Lianja
llSuccess = .F.

loRsa = createobject("CkRsa")

// Generate a 2048-bit key.
loPrivKey = createobject("CkPrivateKey")
llSuccess = loRsa.GenKey(2048,loPrivKey)
if (llSuccess = .F.) then
    ? loRsa.LastErrorText
    release loRsa
    release loPrivKey
    return
endif

lcPassword = "secret"
// Saving to a relative path (from the current working directory of the process).
lcPath = "rsaKeys/myTestRsaPrivate.pem"
// Encrypt the PEM using 256-bit AES encryption.
loPrivKey.Pkcs8EncryptAlg = "aes256"
llSuccess = loPrivKey.SavePkcs8EncryptedPemFile(lcPassword,lcPath)
if (llSuccess = .F.) then
    ? loPrivKey.LastErrorText
    release loRsa
    release loPrivKey
    return
endif

// image

// We can also save the public key.
// There is no need to encrypt public keys.
loPubKey = createobject("CkPublicKey")
loPrivKey.ToPublicKey(loPubKey)

lcPath = "rsaKeys/myTestRsaPublic.pem"
// Choose PKCS1 or PKCS8
// We'll choose PKCS8.
llPreferPkcs1 = .F.
llSuccess = loPubKey.SavePemFile(llPreferPkcs1,lcPath)
if (llSuccess = .F.) then
    ? loPubKey.LastErrorText
    release loRsa
    release loPrivKey
    release loPubKey
    return
endif

// image

? "Success."


release loRsa
release loPrivKey
release loPubKey