Cryptography

ืžื›ื™ืœ ืžื•ื“ืขื•ืช
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ื›ื•ืœื
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš

ืžื™ื“ืข ืขืœ ื”ืืคืœื™ืงืฆื™ื” ื”ื–ื•

โœด ืงืจื™ืคื˜ื•ื’ืจืคื™ื” ืขื•ืกืงืช ื‘ื‘ื ื™ื™ืช ื•ื ื™ืชื•ื— ืคืจื•ื˜ื•ืงื•ืœื™ื ื”ืžื•ื ืขื™ื ืฆื“ื“ื™ื ืฉืœื™ืฉื™ื™ื ืื• ื”ืฆื™ื‘ื•ืจ ืœืงืจื•ื ื”ื•ื“ืขื•ืช ืคืจื˜ื™ื•ืช; ื”ื™ื‘ื˜ื™ื ืฉื•ื ื™ื ืฉืœ ืื‘ื˜ื—ืช ืžื™ื“ืข ื›ื’ื•ืŸ ืกื•ื“ื™ื•ืช ื ืชื•ื ื™ื, ืฉืœืžื•ืช ื”ื ืชื•ื ื™ื, ืื™ืžื•ืช, ื•ืื™-ื“ื—ื™ื™ื” ื”ื ืžืจื›ื–ื™ื™ื ืœืงืจื™ืคื˜ื•ื’ืจืคื™ื” ื”ืžื•ื“ืจื ื™ืช. ืงืจื™ืคื˜ื•ื’ืจืคื™ื” ืžื•ื“ืจื ื™ืช ืงื™ื™ืžืช ื‘ืฆื•ืžืช ืฉืœ ื“ื™ืกืฆื™ืคืœื™ื ื•ืช ื”ืžืชืžื˜ื™ืงื”, ืžื“ืขื™ ื”ืžื—ืฉื‘, ื”ื ื“ืกืช ื—ืฉืžืœ, ืžื“ืขื™ ื”ืชืงืฉื•ืจืช ื•ื”ืคื™ื–ื™ืงื”. ื™ื™ืฉื•ืžื™ื ืฉืœ ืงืจื™ืคื˜ื•ื’ืจืคื™ื” ื›ื•ืœืœื™ื ืžืกื—ืจ ืืœืงื˜ืจื•ื ื™, ืฉื‘ื‘ื™ื ืžื‘ื•ืกืกื™ ื›ืจื˜ื™ืกื™ ืชืฉืœื•ื, ืžื˜ื‘ืขื•ืช ื“ื™ื’ื™ื˜ืœื™ื™ื, ืกื™ืกืžืื•ืช ืžื—ืฉื‘, ื•ืชืงืฉื•ืจืช ืฆื‘ืื™ืช

โ—„ ืืคืœื™ืงืฆื™ื” ื–ื• ืžื™ื•ืขื“ืช ืœืชืœืžื™ื“ื™ ืžื“ืขื™ ื”ืžื—ืฉื‘ ื”ืฉื•ืืคื™ื ืœืœืžื•ื“ ืืช ื™ืกื•ื“ื•ืช ื”ืงืจื™ืคื˜ื•ื’ืจืคื™ื”. ื–ื” ื™ื”ื™ื” ืฉื™ืžื•ืฉื™ ืขื‘ื•ืจ ืื ืฉื™ ืžืงืฆื•ืข ื›ืžื• ื’ื ืžื™ ืจื•ืฆื” ืœืฉืœื‘ ืืœื’ื•ืจื™ืชืžื™ื ื”ืฆืคื ื” ืฉื•ื ื™ื ื›ื“ื™ ืœื”ื‘ื˜ื™ื— ืชืงืฉื•ืจืช ื ืชื•ื ื™ื ืžืื•ื‘ื˜ื—ืช ืขืœ ื”ืจืฉืชื•ืช ืฉืœื”ื.

ย ย ใ€ื ื•ืฉืื™ื ื”ืžื›ื•ืกื™ื ื‘ื™ื™ืฉื•ื ื–ื” ืžืคื•ืจื˜ื™ื ืœื”ืœืŸใ€‘

โ‡ข ืžืงื•ืจ ืงืจื™ืคื˜ื•ื’ืจืคื™ื”

C ืงืจื™ืคื˜ื•ื’ืจืคื™ื” ืžื•ื“ืจื ื™ืช

โ‡ข Cryptosystems

โ‡ข ื”ืชืงืคื•ืช ืขืœ Cryptosystems

โ‡ข ืฆื•ืคืŸ ืžืกื•ืจืชื™ืช

โ‡ข ื”ืฆืคื ืช ืžืคืชื— ืกื™ืžื˜ืจื™ืช ืžื•ื“ืจื ื™ืช

โ‡ข ื—ืกื•ื ืฆื•ืคืŸ

โ‡ข ืคื™ื™ืกื˜ืœ ื‘ืœื•ืง ืฆื•ืคืŸ

โ‡ข ืชืงืŸ ื”ืฆืคื ืช ื ืชื•ื ื™ื

โ‡ข Triple DES

โ‡ข ืชืงืŸ ื”ืฆืคื ื” ืžืชืงื“ื

โ€ข ืœื—ืกื•ื ืžืฆื‘ื™ ื”ืฆืคื ื” ืฉืœ ืคืขื•ืœื”

Enc ื”ืฆืคื ืช ืžืคืชื— ืฆื™ื‘ื•ืจื™

โ‡ข ื ืชื•ื ื™ื ืฉืœืžื•ืช ื‘ืงืจื™ืคื˜ื•ื’ืจืคื™ื”

โ‡ข ืงืจื™ืคื˜ื•ื’ืจืคื™ื” ืคื•ื ืงืฆื™ื•ืช Hash

โ‡ข ื”ื•ื“ืขื•ืช ื”ื•ื“ืขื”

โ‡ข ืงืจื™ืคื˜ื•ื’ืจืคื™ื” ื—ืชื™ืžื•ืช ื“ื™ื’ื™ื˜ืœื™ื•ืช

โ‡ข ืชืฉืชื™ืช ืžืคืชื— ืฆื™ื‘ื•ืจื™

โ‡ข ืงืจื™ืคื˜ื•ื’ืจืคื™ื” ื™ืชืจื•ื ื•ืช ื•ื—ืกืจื•ื ื•ืช

โ‡ข ืžื‘ื•ื ืœื”ื’ื“ืจืช ืงืจื™ืคื˜ื•ื’ืจืคื™ื”

โ‡ข ืžื‘ื•ื ืœืžื” ื”ื•ื cryptocurrency, ืื™ืš ื–ื” ืขื•ื‘ื“ ื•ืœืžื” ืื ื—ื ื• ืžืฉืชืžืฉื™ื ื‘ื•?

โ‡ข ืžื‘ื•ื ืœืื™ืœื• ืกื•ื’ื™ื ืฉืœ ืงืจื™ืคื˜ื•ื’ืจืคื™ื” ื™ืฉ?

ืžื‘ื•ื ืœืกื•ื’ื™ื ืฉืœ ืืœื’ื•ืจื™ืชืžื™ื ืงืจื™ืคื˜ื•ื’ืจืคื™ื™ื

ืžื‘ื•ื ืœืžื˜ืจื” ืฉืœ ืงืจื™ืคื˜ื•ื’ืจืคื™ื”

โ‡ข ืžื‘ื•ื ืœืคืจื™ืžื™ื˜ื™ื‘ื™ื ื•ืคืจื•ื˜ื•ืงื•ืœื™ื ืฉืœ ื”ืฆืคื ื”

ืžื‘ื•ื ืœืžื™ื ื•ื— ืงืจื™ืคื˜ื•ื’ืจืคื™ื”

โ‡ข ืžื‘ื•ื ืœืžื” ื”ื ืกื•ื’ื™ื ืฉื•ื ื™ื ืฉืœ ืฉื™ื˜ื•ืช ื”ืฆืคื ื”?

ืžื‘ื•ื ืœืกื•ื’ื™ื ืฉืœ ื”ืฆืคื ื”

โ‡ข ืžื‘ื•ื ืœ 5 ืืœื’ื•ืจื™ืชืžื™ื ืฉืœ ื”ืฆืคื ื” ืžืฉื•ืชืคืช ื•ื‘ืœืชื™ ื ื™ืชื ื™ื ืœืฉื‘ื™ืจื” ืฉืœ ื”ืขืชื™ื“

โ‡ข ืžื‘ื•ื ืœืกื•ื’ื™ื ืฉื•ื ื™ื ืฉืœ ื”ืฆืคื ืช ืžืคืชื— ืกื™ืžื˜ืจื™

ืžื‘ื•ื ืœืกื•ื’ื™ื ืฉืœ ืžืขืจื›ืช ื”ืฆืคื ื”

โ‡ข ืžื‘ื•ื ืœืงืจื™ืคื˜ื•ื’ืจืคื™ื” - ืžื“ืข ื”ืกื•ื“ื™ื•ืช

โ‡ข ืžื‘ื•ื ืœื ื™ืชื•ื— ืชื“ืจื™ื

ืžื‘ื•ื ืœืžืœื—ืžื•ืช

โ‡ข ืžื‘ื•ื ืœืงืจื™ืคื˜ื•ื’ืจืคื™ื” ื—ื–ืงื”

โ‡ข ืžื‘ื•ื ืœื”ื™ืกื˜ื•ืจื™ื” ื˜ืจื•ื-ื”ื”ืฆืคื ื”

โ‡ข ืžื‘ื•ื ืœืžื•ืฉื’ื™ื ืฉืœ ื‘ื™ื˜ื—ื•ืŸ

โ‡ข ืžื‘ื•ื ืœืงืจื™ืคื˜ื•ื’ืจืคื™ื” ืฉืœ ืžืคืชื— ืฆื™ื‘ื•ืจื™ (PKC)

โ‡ข ืžื‘ื•ื ืœืคืจื™ื˜ ืงืจื™ื˜ื™ื•ื’ืจืคื™ ืžื‘ื•ืงืจ (CCI)

โ‡ข ืžื‘ื•ื ืœืงืจื™ืคื˜ื•ืืจื›ื™ื”

โ‡ข ืžื‘ื•ื ืœืชืงื ื™ ืงืจื™ืคื˜ื•ื’ืจืคื™ื” ืฉืœ ืžืคืชื— ืฆื™ื‘ื•ืจื™ (PKCS)

โ‡ข ืžื‘ื•ื ืœ- Cryptosecurity

โ‡ข ืžื‘ื•ื ืœืชืงืŸ ื”ืฆืคื ืช ื”ื ืชื•ื ื™ื (DES)

โ‡ข ืžื‘ื•ื ืœืงืจื™ืคื˜ื•ื’ืจืคื™ื” ืฉืœ ืžืคืชื— ืฆื™ื‘ื•ืจื™:

โ‡ข ืžื‘ื•ื ืœืžืชืžื˜ื™ืงื” ืฉืœ ืžืขืจื›ืช ื”ื”ืฆืคื ื” ื”ืฆื™ื‘ื•ืจื™ืช ืฉืœ RSA

โ‡ข ืžื‘ื•ื ืœืฉื™ื˜ื•ืช PAST, PASTENT ื•- FUTURE ืฉืœ ืงืจื™ืคื˜ื•ื’ืจืคื™ื” ื•ื ื™ืชื•ื— ื ืชื•ื ื™ื

ืžื‘ื•ื ืœื”ืฆืคื ื” ืกื™ืžื˜ืจื™ืช ื•ืืกื™ืžื˜ืจื™ืช

โ‡ข ืžื‘ื•ื ืœืขืจื•ืฅ ENCRYPTION / DECRYPTION

ืžื‘ื•ื ืœื”ืจื›ื‘ ืžื—ืฉื‘ื™ ื•ืœืื™ - ืกื™ืžื˜ืจื™

โ‡ข ืžื‘ื•ื ืœืชืจืžื™ืœ ื”ื’ื‘

โ‡ข ืžื‘ื•ื ืœืชืงืฉื•ืจืช ืžืื•ื‘ื˜ื—ืช

โ‡ข ืžื‘ื•ื ืœืงืจื™ืคื˜ื•ื’ืจืคื™ื” ื•ืกื˜ื’ื ื•ื’ืจืคื™ื” - ืกืงืจ

ืžื‘ื•ื ืœื˜ืจืžื™ื ื•ืœื•ื’ื™ื” ื•ืœื˜ืจืžื™ื ื•ืœื•ื’ื™ื”

โ‡ข ืžื‘ื•ื ืœืกื˜ื’ื ื•ื’ืจืคื™ื”
ืขื“ื›ื•ืŸ ืื—ืจื•ืŸ ื‘ืชืืจื™ืš
4 ื‘ืื•ืงืณ 2025

ืื‘ื˜ื—ืช ื ืชื•ื ื™ื

ื›ื“ื™ ืœืฉืžื•ืจ ืขืœ ื”ื‘ื˜ื™ื—ื•ืช ืฆืจื™ืš ืงื•ื“ื ื›ืœ ืœื”ื‘ื™ืŸ ืื™ืš ื”ืžืคืชื—ื™ื ืื•ืกืคื™ื ื•ืžืฉืชืคื™ื ืืช ื”ื ืชื•ื ื™ื ืฉืœืš. ื ื•ื”ืœื™ ืคืจื˜ื™ื•ืช ื”ื ืชื•ื ื™ื ื•ืื‘ื˜ื—ืช ื”ื ืชื•ื ื™ื ืขืฉื•ื™ื™ื ืœื”ืฉืชื ื•ืช ื‘ื”ืชืื ืœืฉื™ืžื•ืฉ, ืœืื–ื•ืจ ื•ืœื’ื™ืœ ื”ืžืฉืชืžืฉ. ื”ืžืคืชื— ืกื™ืคืง ืืช ื”ืžื™ื“ืข ื”ื–ื” ื•ื”ื•ื ืขืฉื•ื™ ืœืขื“ื›ืŸ ืื•ืชื• ืžื“ื™ ืคืขื.
ื”ืืคืœื™ืงืฆื™ื” ื”ื–ืืช ืขืฉื•ื™ื” ืœืฉืชืฃ ืืช ืกื•ื’ื™ ื”ื ืชื•ื ื™ื ื”ืืœื” ืขื ืฆื“ื“ื™ื ืฉืœื™ืฉื™ื™ื
ืžื–ื”ื” ื”ืžื›ืฉื™ืจ ืื• ืžื–ื”ื™ื ืื—ืจื™ื
ื”ื ืชื•ื ื™ื ืžื•ืฆืคื ื™ื ื‘ื–ืžืŸ ื”ื”ืขื‘ืจื”
ืื™ ืืคืฉืจ ืœืžื—ื•ืง ืืช ื”ื ืชื•ื ื™ื

ืžื” ื—ื“ืฉ?

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ืชืžื™ื›ื” ื‘ืืคืœื™ืงืฆื™ื”

ืžื™ื“ืข ืขืœ ืžืคืชื—ื™ ื”ืืคืœื™ืงืฆื™ื”
RAJIL THANKARAJU
contact@softecks.in
16,Ayya Avenue, Shanmugavel Nagar,Kathakinaru Madurai, Tamil Nadu 625107 India

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