diff options
author | Andrey Matyukov <andrey.matyukov@intel.com> | 2020-12-08 22:53:39 +0300 |
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committer | Matt Caswell <matt@openssl.org> | 2021-03-22 09:48:00 +0000 |
commit | c781eb1c63c243cb64dbe3066a43dc172aaab3b8 (patch) | |
tree | 36adf4600064afddfb87e16bee0736c6427ca523 /util | |
parent | db89d8f04bb131bbf0e2b87eb9a1515076c893d3 (diff) | |
download | openssl-new-c781eb1c63c243cb64dbe3066a43dc172aaab3b8.tar.gz |
Dual 1024-bit exponentiation optimization for Intel IceLake CPU
with AVX512_IFMA + AVX512_VL instructions, primarily for RSA CRT private key
operations. It uses 256-bit registers to avoid CPU frequency scaling issues.
The performance speedup for RSA2k signature on ICL is ~2x.
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/13750)
Diffstat (limited to 'util')
-rw-r--r-- | util/libcrypto.num | 1 | ||||
-rw-r--r-- | util/missingcrypto.txt | 2 |
2 files changed, 1 insertions, 2 deletions
diff --git a/util/libcrypto.num b/util/libcrypto.num index 3fd2e665f2..523971f1f4 100644 --- a/util/libcrypto.num +++ b/util/libcrypto.num @@ -5313,6 +5313,7 @@ EVP_RAND_CTX_gettable_params ? 3_0_0 EXIST::FUNCTION: EVP_RAND_CTX_settable_params ? 3_0_0 EXIST::FUNCTION: RAND_set_DRBG_type ? 3_0_0 EXIST::FUNCTION: RAND_set_seed_source_type ? 3_0_0 EXIST::FUNCTION: +BN_mod_exp_mont_consttime_x2 ? 3_0_0 EXIST::FUNCTION: BIO_f_readbuffer ? 3_0_0 EXIST::FUNCTION: EVP_DigestInit_ex2 ? 3_0_0 EXIST::FUNCTION: EVP_EncryptInit_ex2 ? 3_0_0 EXIST::FUNCTION: diff --git a/util/missingcrypto.txt b/util/missingcrypto.txt index d062ff03c0..bb1f775977 100644 --- a/util/missingcrypto.txt +++ b/util/missingcrypto.txt @@ -261,8 +261,6 @@ BN_is_negative(3) BN_kronecker(3) BN_mod_add_quick(3) BN_mod_exp2_mont(3) -BN_mod_exp_mont(3) -BN_mod_exp_mont_consttime(3) BN_mod_exp_mont_word(3) BN_mod_exp_recp(3) BN_mod_exp_simple(3) |