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authorJ08nY2024-08-23 18:56:17 +0200
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+libtomcrypt
+===========
+
+| Version: ``v1.18.2``
+| Repository: https://github.com/libtom/libtomcrypt/
+| Docs:
+
+Primitives
+----------
+
+Offers ECDH and ECDSA on the `curves <https://github.com/libtom/libtomcrypt/blob/v1.18.2/src/pk/ecc/ecc.c>`__: SECP112r1, SECP128r1, SECP160r1, P-192, P-224, P-256, P-384, P-521.
+
+ECDH
+^^^^
+
+KeyGen:
+ - Short-Weierstrass
+ - `Simple ladder <https://github.com/libtom/libtomcrypt/blob/v1.18.2/src/pk/ecc/ltc_ecc_mulmod_timing.c#L35>`__ via ``ecc_make_key -> ecc_make_key_ex -> ecc_ptmul -> ltc_ecc_mulmod_timing``.
+ - jacobian, `dbl-1998-hnm <https://github.com/libtom/libtomcrypt/blob/v1.18.2/src/pk/ecc/ltc_ecc_projective_dbl_point.c#L32>`__ via ltc_ecc_projective_dbl_point
+ - jacobian, `add-1998-hnm <https://github.com/libtom/libtomcrypt/blob/v1.18.2/src/pk/ecc/ltc_ecc_projective_add_point.c#L33>`__ via ltc_ecc_projective_add_point
+
+Derive:
+ - Same as Keygen via ``ecc_shared_secret -> ecc_ptmul -> ltc_ecc_mulmod_timing``.
+
+ECDSA
+^^^^^
+
+Keygen:
+ - Same as ECDH.
+
+Sign:
+ - Same as Keygen via ``ecc_sign_hash -> _ecc_sign_hash -> ecc_make_key_ex``.
+
+Verify:
+ - `Shamir's trick <https://github.com/libtom/libtomcrypt/blob/v1.18.2/src/pk/ecc/ltc_ecc_mul2add.c#L35>`__ via ``ecc_verify_hash -> _ecc_verify_hash -> ecc_mul2add`` or two separate sliding windows.
+ - Same coords and formulas as KeyGen.