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Evidence-based · Updated automatically

Post-Quantum Cryptography Risk Analysis

We run QuantumScan on widely used open-source tools and publish the results. Real scores, real findings, actionable migration paths.

Curated reports

python-ecdsatlsfuzzer/python-ecdsaPython

python-ecdsa is a pure-Python ECDSA implementation with 36 million PyPI downloads per month. The library implements the exact algorithm that Shor's qu

May 29, 2026
95
Critical / 100
Bitcoin Corebitcoin/bitcoinC++

Bitcoin's security model depends entirely on secp256k1 ECDSA for transaction signing and Schnorr signatures (Taproot). Both are broken by Shor's algor

May 29, 2026
89
Critical / 100
GnuPGgpg/gnupgC

GnuPG defaults to RSA-2048/4096 and DSA for key generation — both fully broken by Shor's algorithm on a cryptographically relevant quantum computer. E

Jun 18, 2026
86
Critical / 100
GnuTLSgnutls/gnutlsC

GnuTLS is a widely-deployed TLS library used in Linux distributions, GNOME, and server software. It supports RSA, ECDSA, and DHE — all quantum-vulnera

May 29, 2026
78
High / 100
HashiCorp Vaulthashicorp/vaultGo

HashiCorp Vault uses AES-GCM-256 for data encryption at rest (quantum-safe) but relies on RSA and ECDSA for transit secrets and PKI operations. The Tr

May 29, 2026
73
High / 100
Bitwardenbitwarden/serverC#

Bitwarden's vault data is encrypted with AES-256-CBC — symmetric, therefore quantum-safe (Grover's attack halves security to 128-bit, still acceptable

Jun 18, 2026
58
Medium / 100

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