Data commit

Task/RSA-code/11l/rsa-code.11l

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+V n = BigInt(‘9516311845790656153499716760847001433441357’)
+V e = BigInt(65537)
+V d = BigInt(‘5617843187844953170308463622230283376298685’)
+
+V txt = ‘Rosetta Code’
+
+print(‘Plain text:             ’txt)
+
+V txtN = txt.reduce(BigInt(0), (a, b) -> a * 256 + b.code)
+print(‘Plain text as a number: ’txtN)
+
+V enc = pow(txtN, e, n)
+print(‘Encoded:                ’enc)
+
+V dec = pow(enc, d, n)
+print(‘Decoded:                ’dec)
+
+V decTxt = ‘’
+L dec != 0
+   decTxt ‘’= Char(code' dec % 256)
+   dec I/= 256
+
+print(‘Decoded number as text: ’reversed(decTxt))