How Digital Signatures are Locked and Loaded for your Safety
Digital signatures verify user identity, granting access to documents to required personnel. Learn its security impact and importance during data transfer
Emma Peters
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Digital transformation has changed the way we record and store our data. Data is central to an organization’s functioning. It is pivotal in crafting strategies, scaling companies, and making the right decisions. If there is one thing organizations are obsessed with, it is their data.
Organizations invest in data hygiene to sort and filter it accordingly. It breaks down departmental silos and helps them collaborate. Moreover, it can create a central system of viewing customer records and drive maximum returns.
Although data management is central, security shouldn’t be an afterthought. Data needs to be encrypted to give it an advanced layer of protection. It can prevent data loss and incidents of threats. A security system with appropriate authentication and authorization measures can avoid security pitfalls.
Addressing Gaps in Online Security
The Philippines, one of the fastest-growing digital economies globally faces an alarming amount of online threats. The young populace, high internet penetration, and the use of smartphones facilitate emerging threats. The adoption of digital services has increased the risk of cyber threats.
Small and medium-sized businesses looking to expand must consider end-to-endpoint security to protect data integrity. Filipino companies accelerated digital transformation during the COVID-19 pandemic to flourish. But they need to realize the need for online protection during data transfer.
Why are Digital Signatures so Secure?
Digital signatures offer a secure way to sign documents online, relying on public-key infrastructure (PKI) encompassing policies, hardware, and software for handling digital certificates. It employs private and public keys to validate a person's signature, not for confidentiality. In this case, the sender uses a private key to create the signature, while the recipient uses the public key to verify the user's identity. It ensures authenticity and prevents forgery by relying on trust between parties. Validating information through private and public keys ensures the legitimacy of digital documents.
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Role of Asymmetric Encryption
Asymmetric encryption, or public-key cryptography, uses a pair of keys for secure data encryption and decryption. It involves a public key, shared openly, and a private key, kept secret. The sender encrypts data with the recipient's public key, and the recipient decrypts it with their private key. This method enables secure communication without sharing a common secret key. Asymmetric encryption finds wide applications in secure online communication, digital signatures, and secure data transfer.
Advantages of Public-key Cryptography
- Enhanced Security - Asymmetric encryption offers higher security than symmetric encryption, using different keys for encryption and decryption. The private key, known only to the receiver, makes data interception and decryption more challenging for attackers.
- Authentication - Asymmetric encryption enables the receiver to verify the sender's identity. The sender is able to encrypt the message with their private key, and only the corresponding public key can decrypt it. Successful decryption proves the sender's authenticity.
- Non-repudiation - With asymmetric encryption, non-repudiation is ensured. The sender cannot deny sending or altering the message because it's encrypted with their private key. The receiver can be certain of the message's origin and integrity.
- Key Distribution - Asymmetric encryption foregoes the need for a secure key distribution system required in symmetric encryption. Public keys can be openly shared, while the receiver keeps private keys secret.
- Versatility - Asymmetric encryption finds use in various applications like secure email communication, online banking, e-commerce, and secure SSL/TSL connections for internet traffic.
Thus, digital signatures rely on asymmetric encryption to confirm the authenticity of users and messages. While the technology is used to send messages securely, various companies still question its validity.
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Are Digital Signatures Legal in the Philippines?
Digital signatures are legally recognized in the country under the Electronic Commerce Act of 2000 (the E-commerce Act) and Republic Act no. 8792. Electronic signatures are legally accepted as equal to a person's signature on a written document, given it can be proven. Proving an eSignature involves demonstrating adherence to a fixed procedure that cannot be changed by the parties involved in the electronic document.
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