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https://github.com/open-quantum-safe/liboqs.git
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7c0aa19e8c
* Upgraded picnic to v3.0.2. * Fix explicit_bzero function. * Fixed redefinition of AddByte on little endian platforms (picnic's and oqs's namespacing) * Update picnic to v3.0.3 * Fixing some picnic functions namespacing * Added namespacing for picnic function on little endian system. * More picnic namespacing fixes * More picnic namespacing fixes, round 2 * Added more namespacing prefix * More picnic namespacing * Explicit namespacing for KeccakP1600times4_StaticInitialize function
42 lines
3.0 KiB
Markdown
42 lines
3.0 KiB
Markdown
Picnic
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======
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- **Algorithm type**: signature
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- **Main cryptographic assumption**: hash function security (ROM/QROM), key recovery attacks on the lowMC block cipher
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- **Scheme authors**: Greg Zaverucha, Melissa Chase, David Derler, Steven Goldfeder, Claudio Orlandi, Sebastian Ramacher, Christian Rechberger, Daniel Slamanig, Jonathan Katz, Xiao Wang, Vladmir Kolesnikov
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- **Authors' website**: https://microsoft.github.io/Picnic/
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- **Version**: 3.0.3
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- **Added to liboqs by**: Christian Paquin
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Implementation
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--------------
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- **Source of implementation**: https://github.com/IAIK/Picnic
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- **Implementation version**: https://github.com/IAIK/Picnic/tree/v3.0.3
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- **License**: MIT License
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- **Constant-time**: Yes
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- **Optimizations**: Portable C with optional use of AVX2 and SSE2 instructions (selected at compile-time, enabled by default if available)
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Parameter sets
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--------------
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| Parameter set | Security model | Claimed NIST security level | Public key size (bytes) | Secret key size (bytes) | Signature size (bytes) |
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|-----------------|:--------------:|:---------------------------:|:-----------------------:|:-----------------------:|:----------------------:|
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| picnic_L1_FS | EUF-CMA | 1 | 33 | 49 | 34036 |
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| picnic_L1_UR | EUF-CMA | 1 | 33 | 49 | 53965 |
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| picnic_L1_full | EUF-CMA | 1 | 35 | 52 | 32065 |
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| picnic_L3_FS | EUF-CMA | 3 | 49 | 73 | 76776 |
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| picnic_L3_UR | EUF-CMA | 3 | 49 | 73 | 121849 |
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| picnic_L3_full | EUF-CMA | 3 | 49 | 73 | 71183 |
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| picnic_L5_FS | EUF-CMA | 5 | 65 | 97 | 132860 |
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| picnic_L5_UR | EUF-CMA | 5 | 65 | 97 | 209510 |
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| picnic_L5_full | EUF-CMA | 5 | 65 | 97 | 126290 |
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| picnic3_L1 | EUF-CMA | 1 | 35 | 52 | 14612 |
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| picnic3_L3 | EUF-CMA | 3 | 49 | 73 | 35028 |
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| picnic3_L5 | EUF-CMA | 5 | 65 | 97 | 61028 |
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Additional comments
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-------------------
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The original Picnic implementation includes optimizations that are not currently being built in liboqs. See src/sig/picnic/external/README.md for details.
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