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`crypto/ec/ecp_nistz256.c` contained code sections guarded by a `ECP_NISTZ256_AVX2` define. The relevant comment read: > /* > * Note that by default ECP_NISTZ256_AVX2 is undefined. While it's great > * code processing 4 points in parallel, corresponding serial operation > * is several times slower, because it uses 29x29=58-bit multiplication > * as opposite to 64x64=128-bit in integer-only scalar case. As result > * it doesn't provide *significant* performance improvement. Note that > * just defining ECP_NISTZ256_AVX2 is not sufficient to make it work, > * you'd need to compile even asm/ecp_nistz256-avx.pl module. > */ Without diminishing the quality of the original submission, it's evident that this code has been basically unreachable without modifications to the library source code and is under-tested. This commit removes these sections from the codebase. Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/12019) |
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| .. | ||
| asm | ||
| curve448 | ||
| build.info | ||
| curve25519.c | ||
| ec2_oct.c | ||
| ec2_smpl.c | ||
| ec_ameth.c | ||
| ec_asn1.c | ||
| ec_backend.c | ||
| ec_check.c | ||
| ec_ctrl.c | ||
| ec_curve.c | ||
| ec_cvt.c | ||
| ec_err.c | ||
| ec_key.c | ||
| ec_kmeth.c | ||
| ec_lib.c | ||
| ec_local.h | ||
| ec_mult.c | ||
| ec_oct.c | ||
| ec_pmeth.c | ||
| ec_print.c | ||
| ecdh_kdf.c | ||
| ecdh_ossl.c | ||
| ecdsa_ossl.c | ||
| ecdsa_sign.c | ||
| ecdsa_vrf.c | ||
| eck_prn.c | ||
| ecp_mont.c | ||
| ecp_nist.c | ||
| ecp_nistp224.c | ||
| ecp_nistp256.c | ||
| ecp_nistp521.c | ||
| ecp_nistputil.c | ||
| ecp_nistz256_table.c | ||
| ecp_nistz256.c | ||
| ecp_oct.c | ||
| ecp_s390x_nistp.c | ||
| ecp_smpl.c | ||
| ecx_backend.c | ||
| ecx_backend.h | ||
| ecx_key.c | ||
| ecx_meth.c | ||
| ecx_s390x.c | ||