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Comparative Analysis of Classical and Post-quantum Digital Signature Algorithms used in Bitcoin Transactions

机译：比特币交易中使用经典和后量子数字签名算法的比较分析

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The use of public key cryptosystems ranges from securely encrypting bitcoin transactions and creating digital signatures for non-repudiation. The cryptographic systems security of public key depends on the complexity in solving mathematical problems. Quantum computers pose a threat to the current day algorithms used. This research presents analysis of two Hash-based Signature Schemes (MSS and W-OTS) and provides a comparative analysis of them. The comparisons are based on their efficiency as regards to their key generation, signature generation and verification time. These algorithms are compared with two classical algorithms (RSA and ECDSA) used in bitcoin transaction security. The results as shown in table II indicates that RSA key generation takes 0.2012s, signature generation takes 0.0778s and signature verification is 0.0040s. ECDSA key generation is 0.1378s, signature generation takes 0.0187s, and verification time for the signature is 0.0164s. The W-OTS key generation is 0.002s. To generate a signature in W-OTS, it takes 0.001s and verification time for the signature is 0.0002s. Lastly MSS Key generation, signature generation and verification has high values which are 16.290s, 17.474s, and 13.494s respectively. Based on the results, W-OTS is recommended for bitcoin transaction security because of its efficiency and ability to resist quantum computer attacks on the bitcoin network.
机译：公钥密码系统的使用范围包括安全地加密比特币交易和创建不可否认的数字签名。公钥的密码系统安全性取决于解决数学问题的复杂性。量子计算机对当今使用的算法构成了威胁。这项研究提出了两种基于哈希的签名方案（MSS和W-OTS）的分析，并对它们进行了比较分析。比较基于它们在密钥生成，签名生成和验证时间方面的效率。这些算法与比特币交易安全中使用的两种经典算法（RSA和ECDSA）进行了比较。如表II所示，结果表明RSA密钥生成花费了0.2012s，签名生成花费了0.0778s，签名验证花费了0.0040s。 ECDSA密钥生成时间为0.1378s，签名生成时间为0.0187s，签名验证时间为0.0164s。 W-OTS密钥生成为0.002s。要在W-OTS中生成签名，需要0.001s的时间，签名的验证时间为0.0002s。最后，MSS密钥生成，签名生成和验证具有很高的值，分别为16.290s，17.474s和13.494s。根据结果​​，由于W-OTS的效率和抵御量子计算机对比特币网络的攻击的能力，因此建议将其用于比特币交易安全。

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