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WS-2022-0261
Date: August 19, 2025
In oqs 0.7.1 in Rust, there is an efficient key recovery attack on the SIDH protocol. As a result, the secret key of SIKEp751 can be recovered in a matter of hours. The affected schemes are the oqs::kem::Algorithm::Sike* and oqs::kem::Algorithm::Sidh* enum variants. The SIKE and SIDH schemes will be removed from oqs 0.7.2.
Language: RUST
Severity Score
Severity Score
Weakness Type (CWE)
Use of a Broken or Risky Cryptographic Algorithm
CWE-327CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | HIGH |
| Integrity (I): | HIGH |
| Availability (A): | HIGH |