X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=cipher.py;h=55d99b6773bef3aac5b752ee8e0395856e3c75a8;hb=5141b041bd618e0339ce04f6abef56665d829b95;hp=b883abea3cbc32bf81bb37a342efeaf576ffbf02;hpb=ac47ee478ba8e785037c9f25367c111f630eea54;p=cipher-tools.git diff --git a/cipher.py b/cipher.py index b883abe..55d99b6 100644 --- a/cipher.py +++ b/cipher.py @@ -110,11 +110,10 @@ def caesar_decipher(message, shift): def caesar_break(message, metric=norms.euclidean_distance, target_frequencies=normalised_english_counts, message_frequency_scaling=norms.normalise): """Breaks a Caesar cipher using frequency analysis - >>> caesar_break('ibxcsyorsaqcheyklxivoexlevmrimwxsfiqevvmihrsasrxliwyrhecjsppsamrkwleppfmergefifvmhixscsymjcsyqeoixlm') (4, 0.3186395289018361) >>> caesar_break('jhzhuhfrqilqhgwrdevwudfwuhdvrqlqjwkhqkdylqjvxemhfwhgwrfulwlflvpwkhhasodqdwlrqrisrzhuwkdwmxulglfdovfl') - (3, 0.32902042861730835) + (3, 0.3290204286173084) >>> caesar_break('wxwmaxdgheetgwuxztgptedbgznitgwwhpguxyhkxbmhvvtlbhgteeraxlmhiixweblmxgxwmhmaxybkbgztgwztsxwbgmxgmert') (19, 0.4215290123583277) >>> caesar_break('yltbbqnqnzvguvaxurorgenafsbezqvagbnornfgsbevpnaabjurersvaquvzyvxrnznazlybequrvfohgriraabjtbaruraprur')