'Rsa signatures' presentation slideshows

Impossibility proofs for RSA signatures in the standard model

315 views • 23 slides

Public Key Encryption and Digital Signatures

Public Key Encryption and Digital Signatures. Review of Secret Key (Symmetric) Cryptography. Confidentiality stream ciphers (uses PRNG) block ciphers with encryption modes Integrity Cryptographic hash functions Message authentication code (keyed hash functions)

160 views • 15 slides

Announcements: Questions? This week: Digital signatures , DSA Secret sharing

DTTF/NB479: Dszquphsbqiz Day 29. Announcements: Questions? This week: Digital signatures , DSA Secret sharing. Why are digital signatures important?. Compare with paper signatures Danger: Eve would like to use your signature on other documents! Solution: sig = f(m, user)

248 views • 7 slides

Announcements: Questions? This week: Digital signatures , DSA Secret sharing

DTTF/NB479: Dszquphsbqiz Day 29. Announcements: Questions? This week: Digital signatures , DSA Secret sharing. Why are digital signatures important?. Compare with paper signatures Danger: Eve would like to use your signature on other documents! Solution: sig = f(m, user)

268 views • 7 slides