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Substitution cipher: Difference between revisions
→{{header|Pike}}: Added Pike implementation
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<pre>encode "tFq oERJp wbQYh OQM AEDWqx QSqb kFq nINT xQC'L wIJp"
decode "The quick brown fox jumped over the lazy dog's back"</pre>
=={{header|Pike}}==
<lang Pike>string alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
string key = "VsciBjedgrzyHalvXZKtUPumGfIwJxqOCFRApnDhQWobLkESYMTN";
mapping key_mapping = mkmapping(alphabet/1, key/1);
object c = Crypto.Substitution()->set_key(key_mapping);
string msg = "The quick brown fox jumped over the lazy dogs";
string msg_enc = c->encrypt(msg);
string msg_dec = c->decrypt(msg_enc);
write("Encrypted: %s\n", msg_enc);
write("Decrypted: %s\n", msg_dec);</lang>
{{out}}
<pre>
Encrypted: tFq oERJp wbQYh OQM AEDWqx QSqb kFq nINT xQCL
Decrypted: The quick brown fox jumped over the lazy dogs
</pre>
=={{header|Prolog}}==
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