Visual FoxPro

Load EC Public Key from X,Y Values (easier)

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Demonstrates how to load an ECDSA public key from X and Y values using the LoadEcdsa method introduced in Chilkat v9.5.0.85. Visual FoxPro

LOCAL lnSuccess
LOCAL x
LOCAL y
LOCAL loPubkey

lnSuccess = 0

* Note: This example requires Chilkat v9.5.0.85 or greater.

* We have the following x and y values in hex (for an EC point on the P-256 curve).
x = "1ccbe91c075fc7f4f033bfa248db8fccd3565de94bbfb12f3c59ff46c271bf83"
y = "ce4014c68811f9a21a1fdb2c0e6113e06db7ca93b7404e78dc7ccd5ca89a4ca9"

loPubkey = CreateObject('Chilkat.PublicKey')
lnSuccess = loPubkey.LoadEcdsa("secp256r1",x,y)
IF (lnSuccess = 0) THEN
    ? loPubkey.LastErrorText
    RELEASE loPubkey
    CANCEL
ENDIF

? "Success."

RELEASE loPubkey