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安全散列算法是数字签名等密码学应用中重要的工具。目前最常用的安全散列算法是SHA-1算法,它被广泛地应用于电子商务等信息安全领域。为了满足对安全散列算法计算速度的需要,本文提出了在GPU平台上快速运算SHA-1算法的方法。为利用GPU强大的并行运算能力,对SHA-1算法进行了并行处理,为快速高效的实现散列算法寻求一条有效的途径。
Secure Hash Algorithm is an important tool in the application of cryptography such as digital signature. At present, the most commonly used secure hash algorithm is the SHA-1 algorithm, which is widely used in the field of information security such as e-commerce. In order to meet the need of calculating the speed of secure hash algorithm, this paper presents a method of rapidly computing SHA-1 algorithm on GPU platform. In order to take advantage of GPU’s powerful parallel computing power, the SHA-1 algorithm is processed in parallel to find an effective way for fast and efficient hash algorithm implementation.