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author | Niels Möller <nisse@lysator.liu.se> | 2019-12-01 20:15:46 +0100 |
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committer | Niels Möller <nisse@lysator.liu.se> | 2019-12-01 20:15:46 +0100 |
commit | ca95804c3fdb5aa86a27d049a6367782381b2e8e (patch) | |
tree | df06a4912b8bfcc2d5fe73508f39fbb12c176212 | |
parent | 389c787e790fe81036f2ff5303c7afe21ceb2afd (diff) | |
download | nettle-ca95804c3fdb5aa86a27d049a6367782381b2e8e.tar.gz |
ChangeLog for curve448 changes
-rw-r--r-- | ChangeLog | 55 |
1 files changed, 55 insertions, 0 deletions
@@ -1,3 +1,58 @@ +2019-12-01 Niels Möller <nisse@lysator.liu.se> + + Curve 448 support contributed by Daiki Ueno. + * eccdata.c (enum ecc_type): Add ECC_TYPE_EDWARDS. + (ecc_add): Support untwisted edwards curves. + (ecc_curve_init): Add curve448 parameters. + * ecc-internal.h (ECC_ECDSA_KEYGEN_ITCH): New macro. + (ECC_ECDSA_SIGN_ITCH): Increased from 12*size to 13*size. + (ECC_MAX): New macro. + * ecc-448.c: New file. + (ecc_mod_pow_2k, ecc_mod_pow_446m224m1, ecc_448_inv) + (ecc_448_zero_p, ecc_448_sqrt): New functions. + (_nettle_curve448): New curve definition. + * curve448.h (CURVE448_SIZE): New constant. + (curve448_mul_g, curve448_mul): Declare new public functions. + * ecc-eh-to-a.c (ecc_eh_to_a): Update assert to allow the curve448 + Edwards curve. + * curve448-mul.c (curve448_mul): New file and function. + * curve448-mul-g.c (curve448_mul_g): New file and function. + * curve448-eh-to-x.c (curve448_eh_to_x): New file and function. + * ecc-dup-eh.c (ecc_dup_eh_untwisted): New function. + * ecc-add-ehh.c (ecc_add_ehh_untwisted): New function. + * ecc-add-eh.c (ecc_add_eh_untwisted): New function. + * ecc-point.c (ecc_point_set): Add point validation for curve448. + * ecc-point-mul.c (ecc_point_mul): Allow h_to_a_itch larger than + mul_itch. + * ecc-point-mul-g.c (ecc_point_mul_g): Allow h_to_a_itch + larger than mul_g_itch. Switch from TMP_DECL/_ALLOC/_FREE to + gmp_alloc_limbs/gmp_free_limbs. + * ecdsa-keygen.c (ecdsa_generate_keypair): Use + ECC_ECDSA_KEYGEN_ITCH. + * Makefile.in (hogweed_SOURCES): Add ecc-448.c, curve448-mul-g.c, + curve448-mul.c, and curve448-eh-to-x.c. + (HEADERS): Add curve448.h. + (ecc-448.h): New generated file. + + * testsuite/testutils.c (ecc_curves): Add _nettle_curve448 to list + of tested curves. + (test_ecc_mul_a): Add curve448. + * testsuite/ecdsa-keygen-test.c (ecc_valid_p): Add curve448 support. + * testsuite/ecdh-test.c (test_main): Add tests for (non-standard) + curve448 diffie-hellman. + * testsuite/ecc-add-test.c (test_main): Update for testing of curve448. + * testsuite/ecc-dup-test.c (test_main): Likewise. + * testsuite/ecc-mul-a-test.c (test_main): Likewise. Also increase + scratch allocation for h_to_a_itch. + * testsuite/ecc-mul-g-test.c (test_main): Likewise. + * testsuite/curve448-dh-test.c: Test for curve448. + * testsuite/Makefile.in (TS_HOGWEED_SOURCES): Add curve448-dh-test.c. + + * examples/ecc-benchmark.c: Add curve448 to list of benchmarked + curves. + + * nettle.texinfo (Curve 25519 and Curve 448): Add docs. + 2019-11-21 Niels Möller <nisse@lysator.liu.se> * eccdata.c (ecc_curve_init_str): Delete unused t and d arguments. |