网络与信息安全学报 ›› 2024, Vol. 10 ›› Issue (1): 48-57.doi: 10.11959/j.issn.2096-109x.2024007

• 学术论文 • 上一篇    

融合笔迹特征的可信签字图章生成及验证方法

李莉, 高尚, 左珮良, 宣佳铮, 宋涵   

  1. 北京电子科技学院，北京 100070
  • 修回日期:2024-01-04 出版日期:2024-02-01 发布日期:2024-02-01
  • 作者简介:李莉（1974− ），女，山东青岛人，北京电子科技学院教授，主要研究方向为网络与系统安全、嵌入式安全
    高尚（1999− ），男，山西临汾人，北京电子科技学院硕士生，主要研究方向为信息安全、密码学
    左珮良（1991− ），男，山东烟台人，北京电子科技学院讲师，主要研究方向为物联网、网络安全与防御、电子公文
    宣佳铮（1998− ），男，浙江绍兴人，北京电子科技学院硕士生，主要研究方向为信息安全、密码学
    宋涵（2000− ），男，山东菏泽人，北京电子科技学院硕士生，主要研究方向为人工智能、嵌入式安全
  • 基金资助:
    中央高校基本科研业务费(328202244);中央高校基本科研业务费(328202272);中央高校基本科研业务费(3282023043)

Generation and verification method of trusted signature seal incorporating handwriting features

Li LI, Shang GAO, Peiliang ZUO, Jiazheng XUAN, Han SONG   

  1. Beijing Electronic Science and Technology Institute, Beijing 100070, China
  • Revised:2024-01-04 Online:2024-02-01 Published:2024-02-01
  • Supported by:
    The Fundamental Research Funds for the Central Universities(328202244);The Fundamental Research Funds for the Central Universities(328202272);The Fundamental Research Funds for the Central Universities(3282023043)

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摘要：

随着电子通信与互联网技术的迅速发展，文件流转和处理正在逐步转向数字化，电子文件的签署方式呈现出更为便捷灵活与多样化的趋势，如在线签字采集、远程签字确认以及电子签名认证等。与此同时，文件的签署和验证过程在真实性、完整性等方面面临着诸多严峻挑战。不法分子以低成本手段截取、复制和伪造签字图像冒名签署文件、篡改和伪造签名文件等案例层出不穷，电子签章系统的应用过程面临成本较高、部署受限、普适性缺乏，以及真实性和一致性校验复杂等方面的困境。为了应对这些潜在的风险和挑战，实现个人文件签署流转过程中的可靠验证，提出了一种融合笔迹特征的可信签字图章生成及验证方法，该方法主要通过可信身份认证平台的人脸识别和身份信息匹配功能，融合签字笔迹特征，对签字笔迹特征唯一绑定并对签名者身份可靠认证，并基于此生成融合笔迹特征、签署文件验证链接和数字签名二维码的签字图章。分析表明：所提方法的签字图章不仅具备身份验证的功能，而且能够实现对文件签署真实性的辨别，二维码中签署文件验证链接可通过在线渠道直接验证签名人的身份、笔迹以及签署文件的真实性和一致性，这为纸质文件验证提供了更为便捷的途径，所提方法在电子文件流转处理和电子与纸质文件真实性验证领域具有广泛的应用前景。

关键词: 笔迹特征, 数字签名, 签字图章, 二维码, 可信签字

Abstract:

With the rapid development of electronic communication and internet technology, the digitization of document circulation and processing has become increasingly prevalent.The trend towards greater convenience, flexibility, and diversity in electronic document signing is evident through practices such as online signature collection, remote signature confirmation, and electronic signature authentication.However, the signing and verification processes face challenges related to authenticity, integrity, and more.Instances of unlawful entities intercepting, copying, and forging signature images using low-cost methods to sign documents with false identities, as well as tampering with and forging signature files, are common.The application of electronic signature systems also encounters obstacles such as high costs, limited deployment, lack of universality, and complexities in real-time and consistent verification.To address these risks and challenges and ensure reliable verification in personal document signing processes, a credible method for generating and verifying signature seals that integrate handwriting features was proposed.This method primarily utilized the facial recognition and identity information matching functions of a trusted identity authentication platform.It integrated signature handwriting features and uniquely bound them to the signer's identity for reliable authentication.Accordingly, a signature seal with integrated handwriting features, a verification link for the signed document, and a digital signature QR code were generated.Analysis indicates that the signature seal produced by the proposed method not only serves the purpose of identity verification but also enables the discernment of the authenticity of the signed document.The verification link embedded in the QR code can directly validate the signer's identity, handwriting, and the authenticity and consistency of the signed document through online channels, providing a convenient means for the verification of both electronic and paper documents.The proposed method holds broad application prospects in the fields of electronic document circulation and the verification of the authenticity of electronic and paper documents.

Key words: handwriting features, digital signature, signature seal, QR code, trustworthy signature

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