digital signature function
[/ˈdɪdʒɪtəl ˈsɪɡnətʃər ˈfʌŋkʃən/]
nounpl: digital signature functions
função de assinatura digital
1. A cryptographic mechanism that uses mathematical algorithms to create a unique digital representation of a document or message to verify its authenticity, integrity, and non-repudiation
The digital signature function ensures that the document has not been altered since it was signed.
A função de assinatura digital garante que o documento não foi alterado desde que foi assinado.
2. A mathematical algorithm that produces a fixed-size output (signature) from input data using private key encryption
The RSA digital signature function is widely used in secure communications.
A função de assinatura digital RSA é amplamente utilizada em comunicações seguras.
Digital signature functions are crucial in Brazilian and international e-commerce and legal frameworks. In Brazil, the ICP-Brasil (Infrastructure of Public Key Cryptography) regulates digital signatures for legal and administrative purposes. In the USA, the Electronic Signatures in Global and National Commerce Act (E-SIGN) establishes the legal validity of digital signatures. This technology is essential for secure digital transactions in both countries.
Related Idioms & Phrases
to authenticate with a digital signature function
to implement a digital signature function
to verify a digital signature function
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