Cryptanalysis Challenges
Math 302 Advanced Cryptography, Spring 2021
Be sure to check back, because this will be updated during the semester.
Challenge #1, due with Problem Set #1
Decrypt the following message:
OYTE AKMH EACL QCWT EGPS ETBH FAKA PGSB WPGM TELD YLBW
ALPM WTEG OYHP UESE RAGL BPLP MGBW PAOA OAGL BSEP MWTE
GPLT AHHR KBWB HFBK HEMO EFPE MTEI TPHF PLUA MTEK BUMT
EOAG AGFP IBQH FWPL TOYF AYLM BSES BQGF EAIT MBEA ITSY
GAMQ KAHC PEMY WPHH PAOW BKFL WBKM T
Challenge #3, due with Problem Set #3
Posted to onCourse
Challenge #4, due with Problem Set #4
Decrypt the following message:
Bq be ck mq bV ds tl oc sv al bc rs Yi sd ck fq fc Kx po dn qo ls pe el vo Ki tl Yi sd aa va Vb lk lh Eg sc yc gb ct po db un qt gl im fs ue ag fd ck dg bl dd ek sc kt ol ls ti fE it iY ls fe Xg df Kx ek eq oc eb im rf bs ml fb fs df lh hK au po yr vt ds ge nk ek Vi kt ic bd ag un df sq tC fb sv al gk ek ea da ml dq lt ky ek ml eu lh hn rd mg pu rt ea be sd pk qb bm bl nu lk sr qa sd Vb bl fh ov pc fa lE ew cO df Zh sb im ao mx kt ve bk bn ad po dn ml ca st fs bs ky ek ml th qu vs lh hM ae ef Vb gd sr um db sn nr te sd fb dk ro tb sa qM ao zd Zi ae fc ek lb fv fd eb zx fb oo qe ue vc sk av ek bc po kY gb kc oc vr zn qs fh Eb sf ek sa nU rs qb fh Kx po dn ml fu yr dk Zi zc qS oc uk sb cL fb hL bv uk bk fd cl gb ky gb lT nu pu gc iZ tz eu kg le qt gl Ki tl Yi sd sv al gK ds Zi im ck xk iZ id av mx im df Eb sf ke lb
Hint #1: You have all seen this cipher at some point in your lives.
Hint #2: Taste the rainbow