Use RSA keys of at least 2048 bits

#Metadata

Rule ID

rust.security.weak-rsa-key-size

Severity

high

Confidence

0.85

Languages

rust

Presets

security, strict

Stability

experimental

Applies to

block

Tags

cryptography, rsa, rules-catalog, rust, security

#Why it matters

RSA keys shorter than 2048 bits are vulnerable to factorization attacks with modern compute.

#Remediation

Generate RSA keys with at least 2048 bits, or prefer Ed25519/ECDSA for new designs.

#Repository path

The generated metadata points to critiq-rules/libs/rules/catalog/rules/rust/rust.security.weak-rsa-key-size.rule.yaml.