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Load a Public Key from a String

Demonstrates the Chilkat PublicKey.LoadFromString method, which loads a public key from a string. The only argument is the string. Chilkat examines the content and recognizes PEM public keys, unencrypted PEM private keys (taking only the public portion), XML, JWK, and more.

Background: This is the forgiving text loader: rather than requiring you to know the exact format, it inspects whatever string you provide and figures it out. A useful convenience is that it accepts an unencrypted private key too and keeps only the public half — handy when you have a key pair but need just the public key. Use it whenever the textual format is uncertain or varies by source.

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llSuccess = .F.

//  Demonstrates the PublicKey.LoadFromString method, which loads a public key from a string.  The
//  only argument is the string.  Chilkat examines the content and recognizes PEM public keys,
//  unencrypted PEM private keys (using only the public portion), XML, JWK, and more.

loPubKey = createobject("CkPublicKey")

//  The PEM text of a public key.
lcKeyText = "-----BEGIN PUBLIC KEY-----" + Chr(10) + "MIIBIjANBgkq...IDAQAB" + Chr(10) + "-----END PUBLIC KEY-----"

llSuccess = loPubKey.LoadFromString(lcKeyText)
if (llSuccess = .F.) then
    ? loPubKey.LastErrorText
    release loPubKey
    return
endif

? "Loaded a " + loPubKey.KeyType + " public key."


release loPubKey