PKI | The Blog Pros

January 14, 2024

Strengthening Cybersecurity: The Role of Digital Certificates and PKI in Authentication

Data protection remains integral in our wide digital world. Amid serious cyber threats, a strong cybersecurity plan needs to be formulated, and at the epicenter of it lies a silent guardian: authentication. The global public key infrastructure (PKI) market is anticipated to grow from USD 1.3 billion in 2018 to USD 5.5 billion in 2023 and to surge at a CAGR of 20.2% during the forecast period of 2018-2023, thus reaching USD 13.8 billion by 2028.

This has been possible because of the increasing awareness amidst enterprises, small and large, across industries on the paramount need for the protection of sensitive data, securing digital identities, and ensuring the integrity of digital transactions. This piece explores how digital certificates and Public Key Infrastructure (PKI) play a pivotal role in strengthening cybersecurity defenses.

March 20, 2019

Encryption and Signing

Symmetric Encryption

Symmetric encryption means that the same key is used to encrypt and decrypt:

Public Key Infrastructure (PKI)

Asymmetric Encryption

To solve the problem of negotiating 100 keys, if you want to send something privately to 100 individuals/system, a public/private key is used. If a message is encrypted using public key then it can be decrypted only with private key, and on the same line, if a message is encrypted using a private key, then it can decrypted using only a public key (not even with a private key)

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