OKLAHOMA RSA TODAY

Feb 11, 2013

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READING SUFFICIENCY ACT TODAY. UPDATES BEGINNING 2012-13. SB 346

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OKLAHOMA RSA TODAY

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RSA

RSA. Prime Numbers. An integer p is a prime number if it has no factors other than 1 and itself. An integer which is greater than 1 and not a prime number is said to be composite. Thus given a composite number c we know that c=r*s for some non-trivial integers r and s .

462 views • 21 slides

OKLAHOMA RSA TODAY

OKLAHOMA RSA TODAY. READING SUFFICIENCY ACT TODAY. SB 346 – Third-Grade Graduation HB 2516 – Amendments to SB 346 HB 2511 – Amendments to SB 346 HB 2306 – Amendments to SB 346 . UPDATES BEGINNING 2012-13. Teri Brecheen , Executive Director of Literacy Office of Instruction

949 views • 78 slides

RSA

RSA. CS 519 Cryptography and Network Security Instructor: Ali Aydin Selcuk. RSA. First successful public key system (Rivest, Shamir, Adleman, 1977). Q: Would a DH-like PKC as x e mod p work? RSA: Alice chooses large primes p, q; n = pq. e, such that gcd(e, (n)) = 1.

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RSA

RSA. RSA COSC 201 St. Mary’s College of Maryland Fall 2012. Public Key Encryption. Bob wants to send Alice a super secret message. How? Alice generates 2 keys – a public encryption key and a private decryption key. Bob takes the encryption key, encodes the message, then sends it to Alice.

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RSA

RSA. Slides by Kent Seamons and Tim van der Horst Last Updated : Oct 1, 2013. Recap. Recap. Number theory What is a prime number? What is prime factorization? What is a GCD? What does relatively prime mean? What does co-prime mean? What does congruence mean?

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RSA

RSA. Preliminaries. Division Algorithm. Given integers a and b ≠0 , there exist unique Integers q and r such that a = bq +r where 0 ≤ r < |b| a is the dividend , b is the divisor , and r is the remainder . b divides a or b is a factor of a if r=0.

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OKLAHOMA RSA TODAY

OKLAHOMA RSA TODAY. Gordon Cooper Career Tech Shawnee, Oklahoma September 14, 2012. READING SUFFICIENCY ACT TODAY. SB 346 – Third-Grade Graduation HB 2516 – Amendments to SB 346 HB 2511 – Amendments to SB 346 HB 2306 – Amendments to SB 346. UPDATES BEGINNING 2012-13.

933 views • 78 slides

RSA

RSA. The algorithm was publicly described in 1977 by Ron Rivest, Adi Shamir, and Leonard Adleman at MIT Partly used for PGP (Pretty Good Privacy) to encrypt session keys. RSA – Step 1. Choose two distinct large random prime numbers p and q, e.g. p = 17 and q = 11

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RSA

RSA. Exponentiation cipher Relies on the difficulty of factoring the product of two large prime numbers RSA factoring challenge http://www.rsa.com/rsalabs/node.asp?id=2092 It takes 30 2.2GHz-Opteron-CPU years to factor a number, about 5 months of calendar time. Background.

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RSA

RSA. Rivest Shamir Adelman: Patented in 1983, expired in 2000 Based on difficulty of factorization Choose two large random prime numbers p and q, Compute n = p*q Compute φ (n) = (p-1)(q-1) Choose an integer e, such that e, is coprime to φ (n) -- e, is released as the public key

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OKLAHOMA RSA TODAY 2013-14

OKLAHOMA RSA TODAY 2013-14. Oklahoma RSA Today 2013-2014 Outline. Latest updates Reading Sufficiency Plan Parent or Guardian Written Notification No Social Promotion Six Good Cause Exemptions Six Good Cause Exemptions Documentation Program of Reading Instruction (APP)

1.23k views • 105 slides

RSA

RSA. By: Abhishek Naik Viswanath Chennuru CPSC 624. Contents. What is Encryption ? What is RSA ? Key Generation Encryption and Decryption Applications Attacks on RSA Conclusion. What is encryption ?.

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RSA

Rivest, Shamir and Adleman 1978 - 1979. RSA. Rivest Shamir Adleman. Depends on the difficulty of factoring really large numbers. Security. Key Pair. Choose 2 random large (300 to 600 digits) prime numbers, p and q. p and q should be of equal length Compute n = pq

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RSA

Public Key Crypto RSA. RSA. CSCI284 Spring 2007 GWU Sections 5.1, 5.2.2, 5.3. How does Alice send Bob the decryption key in private key crypto?. If Alice wants it such that anyone can decrypt her messages, but know that they came from her

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RSA

Public Key Crypto RSA. RSA. CSCI284 Spring 2004 GWU. Advanced Cryptography CSCI 297/later 381. Theory of secrecy: hard problems and crypto Elliptic curves Electronic Cash and Anonymous Credentials PRNGs Not much Cryptanalysis, Shannon secrecy. Advanced Crypto: Grading.

582 views • 38 slides

RSA

RSA. CS 470 Introduction to Applied Cryptography Instructor: Ali Aydin Selcuk. RSA. First successful public key system (Rivest, Shamir, Adleman, 1977). Q: Would a DH-like PKC as x e mod p work? RSA: Alice chooses large primes p, q; n = pq. e, such that gcd(e, (n)) = 1.

340 views • 13 slides

OKLAHOMA RSA TODAY 2013-14

1.07k views • 105 slides

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