GB/T 18238.2-2002 in English
SUPERSEDEDInformation technology - Security techniques - Hash-functions - Part 2: Hash-functions using an n-bit block cipher
- Issued on:2002-07-18
- Implemented on:2002-12-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$243.00
| Standard No: | GB/T 18238.2-2002 |
| Document status: | SUPERSEDED |
| Superseded by: |
GB/T 18238.2-2024 Cybersecurity technology—Hash-functions—Part 2: Hash-functions using a block cipher
|
| Superseded on: | 2025-04-01 |
| Title in English: | Information technology - Security techniques - Hash-functions - Part 2: Hash-functions using an n-bit block cipher |
| Title in Chinese: | 信息技术 安全技术 散列函数 第2部分：采用n位块密码的散裂函数 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2002-07-18 |
| Implemented on: | 2002-12-01 |
| ICS Classification: | 35.040-Character sets and information coding |
| Chinese Classification: | L80-Data encryption |
| Professional Classification: | GB-National Standard |
| Related Keywords: | n-bit block cipher algorithm
n-bit block cipher scopethis international standard block length information technology security techniques |
| Related Topics: | letter
function function level function detection function detection function volume integral kernel function integral kernel function GB/T 18238.2 GB/T 18238.2-2002 |
《GB/T 18238.2-2002信息技术 安全技术 散列函数 第2部分:采用n位块密码的散列函数》由TC260（全国网络安全标准化技术委员会）归口，主管部门为国家标准化管理委员会。
本标准规定了采用n位块密码算法的散列函数，这些函数适合于已实现这样一个算法的环境。本标准规定了四种散列函数。第一种提供了长度小于或者等于n的散列代码，其中n是采用算法的块长度。第二种提供了长度小于或者等于2n的散列代码。第三种提供了长度等于2。的散列代码。第四种提供了长度等于3n的散列代码。本标准规定的全部四种散列函数符合ISO/IEC 10118-1中规定的通用模型。
Scope
This International Standard specifies hash functions using an n-bit block cipher algorithm suitable for environments where such an algorithm has been implemented. This standard specifies four hash functions. The first provides hash codes of length less than or equal to n, where n is the block length of the algorithm used. The second provides hash codes of length less than or equal to 2n. The third provides hash codes of length equal to 2n. The fourth type provides hash codes of length equal to 3n. All four hash functions specified in this standard conform to the generic model specified in ISO/IEC 10118-1.
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