Term
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Definition
| Hash value that has been encrypted with the senders private key. Ensures AUTHENTICITY and INTEGRITY of message. |
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Term
| A message that is encrypted provides what level of security services? |
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Definition
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Term
| A message that is hased provides what level of security services? |
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Definition
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Term
| A message that is digitally signed provides what level of security services? |
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Definition
| Authentication, Nonrepudiation and Integrity |
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Term
| A message that is encrypted and digitally signed provides what level of security services? |
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Definition
| Confindentiality, Authentication, Nonrepudiation and Integrity |
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Term
| Asymmetric Key Alogorithms |
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Definition
RSA: Encrypt, Digital Sign & Key Distr
ECC: Encrypt, Digital Sign & Key Distr
Diffe-Hellman: Key Distro
El Gamal: Encrypt, D Sign & Key Distr
DSA: Digital Signature
Knapsack: Encrypt, D Sign & Key Distr |
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Term
| Symmetric Key Alogorithms |
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Definition
DES: Encryption
3DES: Encryption
Blowfish: Encryption
IDEA: Encryption
RC4: Encryption
SAFER: Encryption |
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Term
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Definition
MD2: Hashing Functions
MD4: Hashing Functions
MD5: Hashing Functions
SHA Family: Hashing Functions
HAVAL: Hashing Functions
TIGER: Hashing Functions |
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Term
| Digital Signature Standard - DSS |
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Definition
| Developed in 1991 by NIST, RSA and DSA are best know and most widley used digital signature algorithms |
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Term
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Definition
| First asymmetric alogorithm created and is used to exchange key values |
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Term
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Definition
| De facto asymmetric algorithm used for encryption, digital signatures and key exchange |
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Term
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Definition
| Aysmmetric algorithm based upon the Diffie-Hellman algorithm used for encryption, digital signatures and key exchange |
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Term
| Ellipic curve cryptosystem alogorithm |
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Definition
| Asymmetric alogorithm bsed on the algebraic structure of elicpic curves over finite curves. Used for encryption, digital signatures and key exchange |
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Term
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Definition
| Aysmmetric algorithm based upon a subset sum problem (knapsack problem) It has been broken and is NO LONGER USED |
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Term
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Definition
| One entity can prove something to be true without providing a secrect value |
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Term
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Definition
| Cryptogrpahic process that takes an aribtrary amount of data and generates a fixed length value. Used for INTEGRITY protection |
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Term
| Message Authentication Code (MAC) |
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Definition
| Keyd cryptographic hash function used for data INTEGRITY and data origin AUTHENTICATION. |
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Term
| Hased Message Authentication Code (HMAC) |
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Definition
| Cryptographic hash function that uses a symmetrick key value and is used for data INTEGRITY and data origin AUTHENTICATION. |
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Term
| CBC-MAC = Cipher Block Chaining |
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Definition
| Cipher block chaining message authentication code uses encryption for data INTEGRITY and data origin AUTHENTICATION |
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Term
| CMAC - Cipher-Based Message Authentication Code |
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Definition
| Cipher message authentication code that is based upon and provides more security compared to CBC-MAC. |
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Term
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Definition
| Block cipher mode that combines the CTR encryption mode and CBC-MAC. One encryption key is used for both authentication and encryption purposes |
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Term
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Definition
| When two different messages are computed by the same hashing algorithm and the same message digest value results. |
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Term
| Public Key Infrastructure (PKI) |
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Definition
Provides:
Confidentiality
Access Control
Integrity
Authentication
Nonrepudiation |
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