Bug in MAC check for SPDZ-based protocols
未關閉
Security
Type: Bug
- 主要語言
- Java
- 星號
- 143
- 分支
- 61
- PR 合併指標
- 30 天內沒有已合併 PR
描述
SPDZ, Mascot, and SPDZ2k require coin tossing to run every time a MAC check is executed.
Currently, we only run coin tossing once and re-use the resulting DRBG for all MAC checks. This is not secure and should be fixed for:
- [x] SPDZ
- [ ] Mascot
- [ ] SPDZ2k
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