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Researchers Uncover First Native Spectre v2 Exploit Against Linux Kernel

By: Newsroom
Cybersecurity researchers have disclosed what they say is the "first native Spectre v2 exploit" against the Linux kernel on Intel systems that could be exploited to read sensitive data from the memory. The exploit, called Native Branch History Injection (BHI), can be used to leak arbitrary kernel memory at 3.5 kB/sec by bypassing existing Spectre v2/BHI mitigations, researchers from Systems and

Secretflow - A Unified Framework For Privacy-Preserving Data Analysis And Machine Learning

By: noreply@blogger.com (Unknown)


SecretFlow is a unified framework for privacy-preserving data intelligence and machine learning. To achieve this goal, it provides:

  • An abstract device layer consists of plain devices and secret devices which encapsulate various cryptographic protocols.
  • A device flow layer modeling higher algorithms as device object flow and DAG.
  • An algorithm layer to do data analysis and machine learning with horizontal or vertical partitioned data.
  • A workflow layer that seamlessly integrates data processing, model training, and hyperparameter tuning.

 

Install

For users who want to try SecretFlow, you can install the current release from pypi. Note that it requires python version == 3.8, you can create a virtual environment with conda if not satisfied.

pip install -U secretflow

Try you first SecretFlow program

>>> import secretflow as sf
>>> sf.init(['alice', 'bob', 'carol'], num_cpus=8, log_to_driver=True)
>>> dev = sf.PYU('alice')
>>> import numpy as np
>>> data = dev(np.random.rand)(3, 4)
>>> data
<secretflow.device.device.pyu.PYUObject object at 0x7fdec24a15b0>

Getting started

Deployment

Contribution guide

For developers who want to contribute to SecretFlow, you can set up an environment with the following instruction.

git clone https://github.com/secretflow/secretflow.git

# optional
git lfs install

conda create -n secretflow python=3.8
conda activate secretflow
pip install -r dev-requirements.txt -r requirements.txt

Coding Style

We prefer black as our code formatter. For various editor users, please refer to editor integration. Pass -S, --skip-string-normalization to black to avoid string quotes or prefixes normalization.

Disclaimer

Non-release versions of SecretFlow are prohibited to use in any production environment due to possible bugs, glitches, lack of functionality, security issues or other problems.



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