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QuantumScanPublic scan report

Repository

libp2p/go-libp2p

Scanned on Jun 5, 2026

78

Risk score/ 100

High risk

Summary

The libp2p/go-libp2p repository has critical quantum vulnerability exposure with 276 high-severity findings and 9 critical issues involving broken cryptographic configurations. RSA keys of 2048 bits are used extensively in production code and examples, which are already considered weak and will be trivially breakable by quantum computers. All cryptographic primitives (RSA, Ed25519, ECDSA, secp256k1) lack quantum resistance and require migration to NIST-approved post-quantum algorithms.

Critical

9

High

191

Medium

0

Low

0

Top findings

  • CriticalRSA key ≤ 2048 bits

    examples/chat-with-mdns/main.go:92

  • CriticalRSA key ≤ 2048 bits

    examples/chat/chat.go:153

  • CriticalRSA key ≤ 2048 bits

    examples/echo/main.go:71

  • CriticalRSA key ≤ 2048 bits

    core/peer/peer_test.go:50

  • CriticalRSA key ≤ 2048 bits

    core/peer/peer_test.go:235

+ 195 more findings in the full report

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