DIBEISAJ SIF JUADYF KQULEJ HMK KQFX OSL TUFYW AUEQKX DBTFI KQULC SHBMK KQFA RBI S AULMKF DIBEISAJ SIF NMJK JKIULEJ BR ZFIBJ SLW BLFJ IFDIFJFLKULE FYFAFLKSIX ASOQULF OBAASLWJ JMOQ SJ ABPF BLF WSKS UKFA OBADSIF KTB WSKS UKFAJ BI HISLOQ KB S WURRFIFLK OBAASLW KQBJF DIUAUKUPF ASOQULF OBAASLWJ UADYFAFLK QUEQFIYFPFY DIBEISAAULE YSLEMSEF OBLJKIMOKJ JMOQ SJ OBLWUKUBLSYJ IFDFSK YBBDJ OSJF JFYFOKUBL SLW SIUKQAFKUO SLW JKIULE BDFISKUBLJ SLW KQBJF DIBEISAAULE YSLEMSEF OBLJKIMOKJ EUPF MJ DSOFASCFI RMLOKUBLJ JSKFYYUKF OBLKIBY JASIKQBAF KFOQLBYBEX KISRRUO ASLSEFAFLK SLW WUEUKSY DQBKBEISDQX LBK KB AFLKUBL JKIFSAULE PUWFB SLW JBOUSY LFKTBICJ KQF ULKFY KQUIKX KTB SLW JUVKX RBMI HUK ULJKIMOKUBL JFK QSJ SHBMK KQUIKX HSJUO DIUAUKUPFJ JMOQ SJ ABPF OBADSIF HISLOQ ULOIFAFLK SLW WFOIFAFLK YBEUOSY BDFISKUBLJ SIUKQAFKUO BDFISKUBLJ KIUEEFI ULDMK BMKDMK EFLFISKF SLW JFIPUOF ULKFIIMDKJ DMJQ DBD OSYY SLW IFKMIL SLW JDFOUSYUZFW ULJKIMOKUBLJ KB UADIBPF DFIRBIASLOF BL OBADMKSKUBLJ JMOQ SJ RYBSKULE DBULK BDFISKUBLJ BI OIXDKBEISDQX KQFJF RFT ASOQULF OBAASLWJ SIF JMRRUOUFLK KB UADYFAFLK KQF PSJK ISLEF BR DIBEISAJ TF CLBT KBWSXABJK DIBEISAJ SIF TIUKKFL UL QUEQFIYFPFY YSLEMSEFJ JMOQ SJ NSPS O O DYMJ DYMJ DFIY BI DXKQBL DIBEISAAFIJ BRKFL MJF YUHISIUFJ BR OBWF KB HMUYW OBADYFV DIBEISAJ RIBA DUFOFJ TIUKKFL HX BKQFIJ HMK ABJK DFBDYF SIF LBK DIBEISAAFIJ ULJKFSW KQFX MJF SYIFSWX TIUKKFL SDDYUOSKUBLJ RBI TBIW DIBOFJJULE TFH HIBTJULE EISDQUOJ WFJUEL SOOBMLKULE SLW KQF YUCF TUKQBMK CLBTULE SLXKQULE SHBMK KQF MLWFIYXULE DIBEISA OBWF DFBDYF WB LBK FVDFOK KB LFFW KB MLWFIJKSLW QBT DBTFI DYSLKJ BDFISKF UL BIWFI KB KMIL BL SL FYFOKIUO YUEQK HMK UR KQF YUEQK WBFJ LBK TBIC KQF DIBHYFA OBMYW HF SLXTQFIF RIBA KQF DBTFI DYSLK KB KQF YUEQK HMYH SLW JMWWFLYX KQF MJFI LFFWJ KB KISOF DBKFLKUSY DIBHYFAJ RIBA BLF FLW KB KQF BKQFI SYKQBMEQ KQF MJFI WBFJ LBK LFFW KB HFOBAF S DQXJUOUJK BI FYFOKIUOSY FLEULFFI S EFLFISY MLWFIJKSLWULE BR FYFOKIUOUKX QFYDJ WFKFIAULF QBT KB BPFIOBAF KQF DIBHYFA BI SK YFSJK QBT KB UJBYSKF RSMYKJ MLWFI KQF MJFIJ OBLKIBY HMILFW BMK HMYH MLDYMEEFW YSADUL KQUJ OQSDKFI TF WFJOIUHF JFOMIUKX DIBHYFAJ UL DIBEISAJ SLW DIBEISAAULE SJ TUKQ KQF YUEQK S DIBHYFA OSL IFJUWF SLXTQFIF HFKTFFL KQF ASOQULF QSIWTSIF SLW KQF MJFI ULKFIRSOF KTB BI ABIF DIBHYFAJ ASX OBAHULF UL LFESKUPF TSXJ JBAF DIBHYFAJ OSL HF ULKFIAUKKFLK BI BOOMI BLYX TQFL JBAF BKQFI OBLWUKUBL UJ DIFJFLK SLW KQF UADSOK BR DIBHYFAJ OSL ISLEF RIBA SLLBXULE DFIQSDJ LBK FPFL DFIOFDKUHYF KB OSKSJKIBDQUO $1.$ Download Cryptool $2$ Software. Familiarise yourself with the interface and look at some of the ready$-$made examples and tutorials on classical ciphers.

$2.$ This ciphertext was produced using mono$-$alphabetic substitution cipher. Use letter frequency analysis to find the original message and the encryption key $($i$.$e$.$ substitution map$).$

$3.$ The image provided has a text message embedded in it using LSB steganography with the password welcome. Use Cryptool $2$ software to find the embedded message. $($Hint: you will need to use the following components: File Input, Text Input, String Decoder, LSB Steganography, String Encoder and Text Output.$)$