Symmetric crypto is not threatened as far as I know. Public key crypto is. So I am not sure what the big issue is for cloud storage. Web and certs and tls sure a problem. Then again our CA system is not that secure now.
Not my field, but here’s what I found on Wikipedia:
In contrast to the threat quantum computing poses to current public-key algorithms, most current symmetric cryptographic algorithms and hash functions are considered to be relatively secure against attacks by quantum computers.[2][9] While the quantum Grover’s algorithm does speed up attacks against symmetric ciphers, doubling the key size can effectively block these attacks.[10] Thus post-quantum symmetric cryptography does not need to differ significantly from current symmetric cryptography. Source: Post-Quantum Cryptography
There are some linked PDFs on that page, for those who want to know more.
I read somewhere its only currently hard due to the number of qbits. Once they get over a certain number (I forget what) they will be breakable
Symmetric crypto is not threatened as far as I know. Public key crypto is. So I am not sure what the big issue is for cloud storage. Web and certs and tls sure a problem. Then again our CA system is not that secure now.
Not my field, but here’s what I found on Wikipedia:
There are some linked PDFs on that page, for those who want to know more.