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sklademVydáno: 2021-07-07
BS ISO/IEC 18033-3:2010+A1:2021
Information technology. Security techniques. Encryption algorithms Block ciphers
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| Označení normy: | BS ISO/IEC 18033-3:2010+A1:2021 |
| Počet stran: | 90 |
| Vydáno: | 2021-07-07 |
| ISBN: | 978 0 539 15007 0 |
| Status: | Standard |
Popis
BS ISO/IEC 18033-3:2010+A1:2021
This standard BS ISO/IEC 18033-3:2010+A1:2021 Information technology. Security techniques. Encryption algorithms is classified in these ICS categories:
- 35.030 IT Security
This part of ISO/IEC 18033 specifies block ciphers. A block cipher maps blocks of n bits to blocks of n bits, under the control of a key of k bits. A total of 
eight
different block ciphers are defined. They are categorized in Table 1.
Table 1 Block ciphers specified
| Block length | Algorithm name (see #) | Key length |
|---|---|---|
| 64 bits | TDEA (4.2) | 128 or 192 bits |
| MISTY (4.3) | 128 bits | |
| CAST-128 (4.4) | ||
| HIGHT (4.5) | ||
| 128 bits | AES (5.2) | 128, 192 or 256 bits |
| Camellia (5.3) | ||
| SEED (5.4) | 128 bits | |
| SM4 (5.5) |
The algorithms specified in this part of ISO/IEC 18033 have been assigned object identifiers in accordance with ISO/IEC 9834. The list of assigned object identifiers is given in Annex B. Any changes to the specification of the algorithms resulting in a change of functional behaviour will result in a change of the object identifier assigned to the algorithm.