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.
Synonyms / Sinônimos
digital signing algorithmsignature schemecryptographic signature function

Regional Variations

General Brazilian
função de assinatura digital
Standard term used in technical and legal documents
São Paulo
função de assinatura digital
Commonly used in business and financial technology sectors
Portugal
função de assinatura digital
Used in European Union digital signature regulations and compliance

Related Words

public key cryptographyhash functioncertificate authorityencryptionmessage authentication code

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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