May 1998
Intermediate to advanced
362 pages
10h 8m
English
Content preview from Java Cryptography
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Concept Classes
The java.security and
javax.crypto packages have classes and interfaces
that represent the cryptographic concepts that were introduced in
Chapter 2. Table 3.2
summarizes the cryptographic
concepts represented in the classes included in JDK 1.2 and JCE 1.2.
Table 3-2. Cryptographic Concept Classes
|
Class or Interface |
Description |
|
|
A cryptographic certificate |
|
|
A cipher |
|
|
A key, used for signing or encryption |
|
|
A secret key exchange protocol |
|
|
Translates public and private keys from one format to another |
|
|
Creates keys for symmetric ciphers |
|
|
Creates pairs of public and private keys for signing or encryption |
|
|
A Message Authentication Code (MAC) |
|
|
A cryptographic hash function |
|
|
Translates secret keys from one format to another |
|
|
A cryptographically strong random number engine |
|
|
A digital signature |
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