B4J Question Where can I find the Encryption library?

   Dim testString As String = "test"
   Dim crypto As MessageDigest
   Log(crypto.GetMessageDigest(testString.GetBytes("UTF8"), "SHA-512"))

B4J line: 36
Log(crypto.GetMessageDigest(testString.GetBytes(\
javac 1.8.0_202
src\b4j\example\main.java:128: error: no suitable method found for NumberToString(byte[])
anywheresoftware.b4a.keywords.Common.Log(BA.NumberToString(_crypto.GetMessageDigest(_teststring.getBytes("UTF8"),"SHA-512")));
^
method BA.NumberToString(double) is not applicable
(argument mismatch; byte[] cannot be converted to double)
method BA.NumberToString(float) is not applicable
(argument mismatch; byte[] cannot be converted to float)
method BA.NumberToString(int) is not applicable
(argument mismatch; byte[] cannot be converted to int)
method BA.NumberToString(long) is not applicable
(argument mismatch; byte[] cannot be converted to long)
method BA.NumberToString(Number) is not applicable
(argument mismatch; byte[] cannot be converted to Number)
1 error

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