aparler/RosettaCodeData
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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/RSA-code/Zkl/rsa-code.zkl Normal file
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var BN=Import.lib("zklBigNum");
n:=BN("9516311845790656153499716760847001433441357");
e:=BN("65537");
d:=BN("5617843187844953170308463622230283376298685");
const plaintext="Rossetta Code";
pt:=BN(Data(Int,0,plaintext)); // convert string (as stream of bytes) to big int
if(pt>n) throw(Exception.ValueError("Message is too large"));
println("Plain text: ",plaintext);
println("As Int: ",pt);
ct:=pt.powm(e,n); println("Encoded: ",ct);
pt =ct.powm(d,n); println("Decoded: ",pt);
txt:=pt.toData().text; // convert big int to bytes, treat as string
println("As String: ",txt);