Quantum computing and its impact on encryption

Gupta Bless
5 min readApr 23


The traditional computers that we are accustomed to operating at this time are not comparable to the newer type of computing known as quantum computing. Since we are using “quantum bits,” which are very tiny particles that are capable of existing in a variety of states at the same time, this technology utilizes very small things. Quantum computing is extraordinarily fast, but it is still in its early stages and has a ways to go before it can compete with classical computing. Quantum computing is inherently more efficient just due to the nature of quantum mechanics.

The information will be scrambled with the use of mathematical techniques by quantum technology, and it will be incredibly impossible for a malicious actor to decrypt it without having access to the key. Because of this particular attribute, it has garnered a lot of attention in the safety industry as well. Let’s discuss it in greater depth.

The McEliece code serves as the foundation for a cryptographic method known as the McEliece cryptosystem, which is a public-key encryption scheme. The McEliece code is an error-correcting code, and it is extremely difficult to decipher without having knowledge of the secret key.

Quantum computing and encryption


In the majority of my earlier blogs based on encryption, I have always acknowledged that encryption is extremely important since it maintains secure data, but I have also acknowledged that there is a risk to those protected data. owing to the fact that quantum computing poses a threat to previously established encryption protocols.

Threat on exiting encryption method

There are many different encryption methods currently in use, some of which are based on complex algorithms. Some examples of these approaches include RSA and Diffie-Hellman. Because the encryption keys for these methods are obtained from the factors of a very large integer, it is extremely challenging to guess the original material if one does not have the key for that approach.

Gupta Bless

Security enthusiast working to secure web for others.