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Cryptography Fundamentals

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Presentation on theme: "Cryptography Fundamentals"— Presentation transcript:

1 Cryptography Fundamentals
Ammar Hasayen

2 Crypto Talk

3 Confidentiality Encryption
…. Confidentiality Encryption

4 Agreement

5 Symmetric Encryption Key (K) Encrypted Message Message I will buy your
Encryption Algorithm Encrypted Message Message I will buy your company for 22 Billion. Key (K) Symmetric Encryption

6 Symmetric Encryption Key (K) I will buy your Encrypted company for
22 Billion. Encryption Algorithm Encrypted Message Symmetric Encryption Key (K)

7 …. Integrity Hashing

8 Encrypted Message Symmetric Encryption

9 1110101001 229 Billion. Symmetric Encryption Key (K) Encrypted Message
I will buy your company for 229 Billion. Encryption Algorithm Key (K) Symmetric Encryption

10 Integrity Symmetric Encryption

11 Unique Value Message Math x One-Way Operation

12 Value 1 Message 1 Value 2 Message 2
Math Value 2 Message 2 Math Collision Free

13 Hash Functions Unique Message Hash Value 001001001 111001110
Hash Algorithm Unique Hash Value Message I Like you Hash Algorithm I liked you Hash Algorithm

14 Symmetric Encryption Key (K) Encrypted Message Message I will buy your
Encryption Algorithm Encrypted Message Message I will buy your company for 22 Billion. Key (K) Symmetric Encryption

15 Hash Symmetric Encryption Message Unique Value I will buy your
company for 22 Billion. Symmetric Encryption

16 Encrypted Message Unique Value Symmetric Encryption

17 Hash Key (K) Encrypted Message I will buy your company for
Encryption Algorithm Encrypted Message I will buy your company for 22 Billion. Unique Value Key (K) Hash Unique Value

18 Hash – Current Standards
MD5 SHA-2 SHA1

19 C.I.A Confidentiality Integrity Authenticity

20 …. Thank You

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