OpenMined/TenSEAL

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A library for doing homomorphic encryption operations on tensors

Stars: 1k
Forks: 175
Open beginner issues: 0
Indexed issues: 128
Avg merge: 6d 12h
Merged PRs (30d): 5

Dominant language: C++
License: Apache-2.0
Last GitHub push: Sep 12, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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128 open issues indexed

CKKS depth-2 (w·x+b)² circuit: adversarial search finds max-error ~2e-3 (5/5 seeds) Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

OpenMined/TenSEAL#518 · Opened Apr 27, 2026
TenSEAL CKKS Rotation Open

Type: Question :grey_question:

Difficulty 4/5 3-5 days Newbie friendliness 30/100

OpenMined/TenSEAL#515 · Opened Sep 19, 2025
Convolution with large image dimensions (multiple ciphertext) Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenMined/TenSEAL#513 · Opened Jun 10, 2025
Use of FFT (Fast Fourier Transofrom) in CKKS Scheme Open

Type: Question :grey_question:

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMined/TenSEAL#511 · Opened Mar 3, 2025
Support for Multiple Keys Open

Type: Improvement :chart_with_upwards_trend:

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenMined/TenSEAL#506 · Opened Jan 28, 2025
Significant deviation in Vector-Matrix Multiplication Function '.matmul()' Open

Type: Question :grey_question:

Difficulty 4/5 3-5 days Newbie friendliness 30/100

OpenMined/TenSEAL#504 · Opened Dec 14, 2024
Speed up im2col_encoding for GPUs Open

Type: Improvement :chart_with_upwards_trend:

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMined/TenSEAL#503 · 2 comments · Opened Dec 6, 2024
Install failed on raspberrypi Open

Type: Bug :bug:

Difficulty 4/5 3-5 days Newbie friendliness 30/100

OpenMined/TenSEAL#502 · Opened Dec 3, 2024
OpenMined TenSEAL vs. Microsoft SEAL Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenMined/TenSEAL#501 · Opened Nov 11, 2024
A fatal BUG Open

Type: Bug :bug:

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenMined/TenSEAL#500 · 1 comment · Opened Oct 27, 2024
Multiply a plaintext vector with an encrypted vector using CKKS Open

Type: Question :grey_question:

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMined/TenSEAL#499 · Opened Oct 15, 2024
How can I build a convolutional layer using the BFV scheme? Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMined/TenSEAL#497 · Opened Oct 4, 2024
Some questions about GPU acceletarion Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 15/100

OpenMined/TenSEAL#489 · Opened Aug 19, 2024
Apply SEC_LEVEL_TYPE.NONE on TenSeal context Open

Type: Question :grey_question:

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMined/TenSEAL#488 · Opened Aug 12, 2024
Text Matching with TenSEAL Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMined/TenSEAL#486 · Opened Jul 3, 2024
BFV Scheme does not support division Open

Type: Bug :bug:

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenMined/TenSEAL#485 · 1 comment · Opened Jul 3, 2024
Logistic Regression with BFV scheme Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMined/TenSEAL#482 · 1 comment · Opened Jun 2, 2024
Does TenSEAL support batching encryption? Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMined/TenSEAL#481 · 1 comment · Opened Jun 1, 2024
bootstrapping in tenseal Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMined/TenSEAL#480 · 1 comment · Opened May 16, 2024
model training on encrypted data Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMined/TenSEAL#479 · 2 comments · Opened May 3, 2024
Is TenSEAL maintained? Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 15/100

OpenMined/TenSEAL#478 · 1 comment · 4 reactions · Opened Apr 21, 2024
Why is my encrypted Linear Classifier slower than encrypted ConvNet classifier ? Open

Type: Question :grey_question:

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMined/TenSEAL#477 · Opened Apr 19, 2024
Tenseal based federated learning: deep loop stuck and no longer executed in the case of loop encryption training parameters Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 15/100

OpenMined/TenSEAL#476 · Opened Apr 11, 2024
How to rescale mannually? Open

Type: Question :grey_question:

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMined/TenSEAL#472 · Opened Mar 9, 2024
Rationale behind the parameter values in TenSEAL Open

Type: Question :grey_question:

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMined/TenSEAL#471 · 2 comments · Opened Feb 12, 2024
Defaulting to user installation because normal site-packages is not writeable Requirement already satisfied: tenseal in ./.local/lib/python3.10/site-packages (0.3.14) Open

Type: Bug :bug:

Difficulty 3/5 1-2 days Newbie friendliness 10/100

OpenMined/TenSEAL#468 · Opened Feb 4, 2024
Tutorial 4 as a client/server scenario Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 15/100

OpenMined/TenSEAL#467 · Opened Jan 16, 2024
Multiparty extensions Open

Type: New Feature :heavy_plus_sign:

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMined/TenSEAL#466 · 1 comment · 1 reaction · Opened Jan 11, 2024
Information conflict with SEAL regarding size of ciphertext under different key mode Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMined/TenSEAL#464 · Opened Dec 20, 2023
(enc_vector1 + plain_vector1) not equal to enc(vector1 + vector1) Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenMined/TenSEAL#462 · Opened Nov 6, 2023
Is gpu acceleration considered in future plans? Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 15/100

OpenMined/TenSEAL#459 · 6 reactions · Opened Oct 12, 2023
Matmul between a matrix and a vector using CKKSVector Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenMined/TenSEAL#457 · Opened Sep 11, 2023
Tenseal Support for GPU Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMined/TenSEAL#456 · 4 comments · 5 reactions · Opened Aug 28, 2023
addition between two context Open

Type: Question :grey_question:

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMined/TenSEAL#453 · Opened Jul 11, 2023
failed to serialize the context Open

Type: Bug :bug:

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenMined/TenSEAL#452 · Opened Jul 6, 2023
No packages for linux aarch and macos arm on pypi Open

Type: New Feature :heavy_plus_sign:

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMined/TenSEAL#451 · 5 comments · 1 reaction · Opened Jun 28, 2023
How to ignore the output with "WARNING: The input does not fit in a single ciphertext, and some operations will be disabled."? Open

Type: Question :grey_question:

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenMined/TenSEAL#450 · 2 comments · Opened Jun 14, 2023
encrypted1 and encrypted2 parameter mismatch Open

Type: Bug :bug:

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMined/TenSEAL#449 · 10 comments · Opened Jun 9, 2023
Build error (pybind): no type named 'uint16_t' in namespace 'std'; Open

Type: Bug :bug:

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenMined/TenSEAL#448 · Opened May 18, 2023
How to implement average on CKKS Tensor? Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMined/TenSEAL#447 · Opened May 17, 2023
Are you all doing calculations on the CPU? Is there a method that can run on cuda? Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMined/TenSEAL#446 · 3 reactions · Opened May 9, 2023
how to save ciphertext Open

Type: Question :grey_question:

Difficulty 1/5 Under an hour Newbie friendliness 15/100

OpenMined/TenSEAL#445 · Opened May 5, 2023
How to get the specific element of the ts.bfv_vector Open

Type: Question :grey_question:

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

OpenMined/TenSEAL#444 · Opened Apr 29, 2023
Encrypted conv2D Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMined/TenSEAL#442 · 1 comment · Opened Apr 26, 2023
Failed to install TenSEAL from source on Raspberry Pi 4 Open

Type: Bug :bug:

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMined/TenSEAL#440 · Opened Apr 5, 2023
deepcopy doesn't work for public context Open

Type: Bug :bug:

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

OpenMined/TenSEAL#437 · 2 comments · Opened Mar 20, 2023
About recreate tensor Open

Type: Question :grey_question:

Difficulty 5/5 Over a week Newbie friendliness 15/100

OpenMined/TenSEAL#436 · 1 comment · Opened Mar 13, 2023
conv2D on images with more than 1 channel Open

Type: Question :grey_question:

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMined/TenSEAL#434 · 3 comments · Opened Feb 20, 2023
Failed to install TenSEAL on MacOS Open

Build Type: Bug :bug:

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMined/TenSEAL#433 · 2 comments · Opened Feb 17, 2023
Manual relinearization Open

Type: Question :grey_question:

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

OpenMined/TenSEAL#432 · 1 comment · Opened Feb 2, 2023

OpenMined/TenSEAL

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