(Lianja) Load RSA Public Key from Hex Modulus and Exponent

Load an RSA public key from a hex modulus and exponent.

Chilkat Lianja Extension Download Chilkat Lianja Extension

// Load a 128-byte (1024-bit) modulus + exponent into a Chilkat public key object..
lcModulus = "BF5F4AF9A018B5F324A0C10448C0D3248D9BE78967FDC551A27876AC5789ADCBA8245D3D942AE3799563D895DA801E765D225A54FA15DAB2C4731DD817DCF94A9AD62197074C2349442093A206234BF3747F0E88AA6F538355684CC1FB26FCE029C9050A1DAF9F507C2BABF6EFC9FB16320C8036721BE0279FBB76122C41E429"

lcExponent = "00000003"

// We'll need to re-encode from hex to base64..
loBdModulus = createobject("CkBinData")
loBdModulus.AppendEncoded(lcModulus,"hex")
loBdExponent = createobject("CkBinData")
loBdExponent.AppendEncoded(lcExponent,"hex")

loXml = createobject("CkXml")
loXml.Tag = "RsaKeyValue"
loXml.NewChild2("Modulus",loBdModulus.GetEncoded("base64"))
loXml.NewChild2("Exponent",loBdExponent.GetEncoded("base64"))

// Now load into the pubkey object..
loPubkey = createobject("CkPublicKey")
llSuccess = loPubkey.LoadFromString(loXml.GetXml())
if (llSuccess = .F.) then
    ? loPubkey.LastErrorText
    release loBdModulus
    release loBdExponent
    release loXml
    release loPubkey
    return
endif

? "Success."


release loBdModulus
release loBdExponent
release loXml
release loPubkey