'Elgamal signature' diaporamas de présentation

Digital Signature

Digital Signature. Sheng Zhong. Digital Signature (1). Public-key-based technique for data integrity. A digital signature scheme is a tuple (PK, SK, M, S, KG, Sign, Verify). PK: Public key space (the set of all possible keys). SK: Private key space. M: Message space. S: Signature space.

867 views • 46 slides

Digital Signature

Digital Signature. Sheng Zhong. Digital Signature (1). Public-key-based technique for data integrity. A digital signature scheme is a tuple (PK, SK, M, S, KG, Sign, Verify). PK: Public key space (the set of all possible keys). SK: Private key space. M: Message space. S: Signature space.

867 views • 46 slides

Digital Signature

Digital Signature. Requirement Security Classification RSA Signature ElGamal Signature DSS Other Signature Schemes Applied Digital Signatures. Signature Scheme. Requirements of Digital Signature. Efficiency Unforgeability : only signer can generate

978 views • 27 slides

Digital Signature

Digital Signature. Requirement Security Classification RSA Signature ElGamal Signature DSS Other Signature Schemes Applied Digital Signatures. Signature Scheme. Requirements of Digital Signature. Efficiency Unforgeability : only signer can generate

566 views • 27 slides

Digital Signature

Digital Signature. Requirements of Digital Signature. Efficiency Unforgeability : only signer can generate Not reusable : not to use for other message Unalterable : No modification of signed message Authentication of a signer Non-repudiation : not denying the act of signing.

542 views • 22 slides

ElGamal Cryptosystem and variants

521 views • 12 slides