1) Shift cipher(Caesar) cipher-text for freq. cryptanalysis ====================================================================== C=YRNEA VATGB GEHFGV FBARB SGURY VSRZB FGQVS SVPHY GGNFX F 2) Vigenere cipher-text for Kasiski method cryptanalysis ====================================================================== C= PVUBC JVFKI RPXKU HTGIY CKKCQ KQHEC PYGVY FTJZX VLXEA BGFXI CWNGM YRAVQ BDNEV QNSQM ZRNKG HEABG FXIYG UYGFR AVPMY YMYYL SCXEC GTGIY CKVBP ZRAKF XMGZV LXICV ZNAVP PZRAR NXIGH UMYKF KVCMY CLLZL KGMLR BFLVZ NAVP 3) Padding Oracle Attack (CCA on DES-CBC) ======================================================================= iv = cc4c442afaf614ba ctext = cc4c442afaf614ba 3976f6f0305d06f8 2484276759c4366d Nota: plain-text was in English.