Setting a HMAC key
IMPORT xml
MAIN
DEFINE key xml.CryptoKey
LET key = xml.CryptoKey.Create("http://www.w3.org/2000/09/xmldsig#hmac-sha1")
TRY
CALL key.setKey("secretpassword")
# displays 112 (size of secretpassword in bits)
DISPLAY "Key size (in bits) : ",key.getSize()
DISPLAY "Key type : ",key.getType() # displays HMAC
DISPLAY "Key usage : ",key.getUsage() # displays SIGNATURE
CATCH
DISPLAY "Unable to set key :",STATUS
END TRY
END MAIN
Note: All keys in PEM or DER format were created with
the OpenSSL tool.