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38 lines
1.7 KiB
Markdown
38 lines
1.7 KiB
Markdown
liboqs algorithm datasheet: `kem_newhope`
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=======================================================
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Summary
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-------
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- **Name**: NewHope
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- **Algorithm type**: key encapsulation mechanism
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- **Main cryptographic assumption**: Ring Learning With Errors (RLWE)
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- **Scheme authors**: Thomas Pöppelmann, Erdem Alkim, Roberto Avanzi, Joppe Bos, Léo Ducas, Antonio de la Piedra, Peter Schwabe, Douglas Stebila
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- **Authors' website**: https://newhopecrypto.org/
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- **Added to liboqs by**: Douglas Stebila
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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) | Ciphertext size (bytes) | Shared secret size (bytes) |
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|----------------------|:--------------:|:---------------------------:|:-----------------------:|:-----------------------:|:-----------------------:|:--------------------------:|
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| NewHope-512-CCA | IND-CCA | 1 | 928 | 1888 | 1120 | 32 |
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| NewHope-1024-CCA | IND-CCA | 5 | 1824 | 3680 | 2208 | 32 |
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Implementation
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--------------
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- **Source of implementation:** https://github.com/PQClean/PQClean
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- **Implementation version:** https://github.com/PQClean/PQClean/commit/9023fef55861faccd82146cf599b9e46fb9606aa
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- **License:** Public domain
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- **Language:** C
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- **Constant-time:** Yes
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- **Architectures supported in liboqs master branch**: x86, x64
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Additional comments
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-------------------
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The original NewHope implementation includes optimizations that are not currently being built in liboqs:
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- AVX2
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