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9ce8e0d17e
Aes-xts mode can be optimized by interleaving cipher operation on
several blocks and loop unrolling. Interleaving needs one ideal
unrolling factor, here we adopt the same factor with aes-cbc,
which is described as below:
If blocks number > 5, select 5 blocks as one iteration,every
loop, decrease the blocks number by 5.
If left blocks < 5, treat them as tail blocks.
Detailed implementation has a little adjustment for squeezing
code space.
With this way, for small size such as 16 bytes, the performance is
similar as before, but for big size such as 16k bytes, the performance
improves a lot, even reaches to 2x uplift, for some arches such as A57,
the improvement even reaches more than 2x uplift. We collect many
performance datas on different micro-archs such as thunderx2,
ampere-emag, a72, a75, a57, a53 and N1, all of which reach 0.5-2x uplift.
The following table lists the encryption performance data on aarch64,
take a72, a75, a57, a53 and N1 as examples. Performance value takes the
unit of cycles per byte, takes the format as comparision of values.
List them as below:
A72:
Before optimization After optimization Improve
evp-aes-128-xts@16 8.899913518 5.949087263 49.60%
evp-aes-128-xts@64 4.525512668 3.389141845 33.53%
evp-aes-128-xts@256 3.502906908 1.633573479 114.43%
evp-aes-128-xts@1024 3.174210419 1.155952639 174.60%
evp-aes-128-xts@8192 3.053019303 1.028134888 196.95%
evp-aes-128-xts@16384 3.025292462 1.02021169 196.54%
evp-aes-256-xts@16 9.971105023 6.754233758 47.63%
evp-aes-256-xts@64 4.931479093 3.786527393 30.24%
evp-aes-256-xts@256 3.746788153 1.943975947 92.74%
evp-aes-256-xts@1024 3.401743802 1.477394648 130.25%
evp-aes-256-xts@8192 3.278769327 1.32950421 146.62%
evp-aes-256-xts@16384 3.27093296 1.325276257 146.81%
A75:
Before optimization After optimization Improve
evp-aes-128-xts@16 8.397965173 5.126839098 63.80%
evp-aes-128-xts@64 4.176860631 2.59817764 60.76%
evp-aes-128-xts@256 3.069126585 1.284561028 138.92%
evp-aes-128-xts@1024 2.805962699 0.932754655 200.83%
evp-aes-128-xts@8192 2.725820131 0.829820397 228.48%
evp-aes-128-xts@16384 2.71521905 0.823251591 229.82%
evp-aes-256-xts@16 11.24790935 7.383914448 52.33%
evp-aes-256-xts@64 5.294128847 3.048641998 73.66%
evp-aes-256-xts@256 3.861649617 1.570359905 145.91%
evp-aes-256-xts@1024 3.537646797 1.200493533 194.68%
evp-aes-256-xts@8192 3.435353012 1.085345319 216.52%
evp-aes-256-xts@16384 3.437952563 1.097963822 213.12%
A57:
Before optimization After optimization Improve
evp-aes-128-xts@16 10.57455446 7.165438012 47.58%
evp-aes-128-xts@64 5.418185447 3.721241202 45.60%
evp-aes-128-xts@256 3.855184592 1.747145379 120.66%
evp-aes-128-xts@1024 3.477199757 1.253049735 177.50%
evp-aes-128-xts@8192 3.36768104 1.091943159 208.41%
evp-aes-128-xts@16384 3.360373443 1.088942789 208.59%
evp-aes-256-xts@16 12.54559459 8.745489036 43.45%
evp-aes-256-xts@64 6.542808937 4.326387568 51.23%
evp-aes-256-xts@256 4.62668822 2.119908754 118.25%
evp-aes-256-xts@1024 4.161716505 1.557335554 167.23%
evp-aes-256-xts@8192 4.032462227 1.377749511 192.68%
evp-aes-256-xts@16384 4.023293877 1.371558933 193.34%
A53:
Before optimization After optimization Improve
evp-aes-128-xts@16 18.07842135 13.96980808 29.40%
evp-aes-128-xts@64 7.933818397 6.07159276 30.70%
evp-aes-128-xts@256 5.264604704 2.611155744 101.60%
evp-aes-128-xts@1024 4.606660117 1.722713454 167.40%
evp-aes-128-xts@8192 4.405160115 1.454379201 202.90%
evp-aes-128-xts@16384 4.401592028 1.442279392 205.20%
evp-aes-256-xts@16 20.07084054 16.00803726 25.40%
evp-aes-256-xts@64 9.192647294 6.883876732 33.50%
evp-aes-256-xts@256 6.336143161 3.108140452 103.90%
evp-aes-256-xts@1024 5.62502952 2.097960651 168.10%
evp-aes-256-xts@8192 5.412085608 1.807294191 199.50%
evp-aes-256-xts@16384 5.403062591 1.790135764 201.80%
N1:
Before optimization After optimization Improve
evp-aes-128-xts@16 6.48147613 4.209415473 53.98%
evp-aes-128-xts@64 2.847744115 1.950757468 45.98%
evp-aes-128-xts@256 2.085711968 1.061903238 96.41%
evp-aes-128-xts@1024 1.842014669 0.798486302 130.69%
evp-aes-128-xts@8192 1.760449052 0.713853939 146.61%
evp-aes-128-xts@16384 1.760763546 0.707702009 148.80%
evp-aes-256-xts@16 7.264142817 5.265970454 37.94%
evp-aes-256-xts@64 3.251356212 2.41176323 34.81%
evp-aes-256-xts@256 2.380488469 1.342095742 77.37%
evp-aes-256-xts@1024 2.08853022 1.041718215 100.49%
evp-aes-256-xts@8192 2.027432668 0.944571334 114.64%
evp-aes-256-xts@16384 2.00740782 0.941991415 113.10%
Add more XTS test cases to cover the cipher stealing mode and cases of different
number of blocks.
CustomizedGitHooks: yes
Change-Id: I93ee31b2575e1413764e27b599af62994deb4c96
Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/11399)
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|---|---|---|
| .. | ||
| 04-test_conf_data | ||
| 04-test_params_conversion_data | ||
| 04-test_pem_data | ||
| 10-test_bn_data | ||
| 15-test_ecparam_data | ||
| 15-test_mp_rsa_data | ||
| 15-test_rsaoaep_data | ||
| 25-test_eai_data | ||
| 25-test_rusext_data | ||
| 30-test_evp_data | ||
| 30-test_evp_pkey_provided | ||
| 61-test_bio_prefix_data | ||
| 65-test_cmp_client_data | ||
| 65-test_cmp_msg_data | ||
| 65-test_cmp_protect_data | ||
| 65-test_cmp_server_data | ||
| 65-test_cmp_vfy_data | ||
| 80-test_ca_data | ||
| 80-test_cms_data | ||
| 80-test_ocsp_data | ||
| 81-test_cmp_cli_data | ||
| 90-test_gost_data | ||
| 90-test_includes_data | ||
| 90-test_sslapi_data | ||
| 90-test_store_data | ||
| 95-test_external_gost_engine_data | ||
| 95-test_external_krb5_data | ||
| 95-test_external_pyca_data | ||
| 01-test_abort.t | ||
| 01-test_sanity.t | ||
| 01-test_symbol_presence.t | ||
| 01-test_test.t | ||
| 02-test_errstr.t | ||
| 02-test_internal_context.t | ||
| 02-test_internal_ctype.t | ||
| 02-test_internal_keymgmt.t | ||
| 02-test_internal_provider.t | ||
| 02-test_lhash.t | ||
| 02-test_ordinals.t | ||
| 02-test_sparse_array.t | ||
| 02-test_stack.t | ||
| 03-test_exdata.t | ||
| 03-test_fipsinstall.t | ||
| 03-test_internal_asn1_dsa.t | ||
| 03-test_internal_asn1.t | ||
| 03-test_internal_bn.t | ||
| 03-test_internal_chacha.t | ||
| 03-test_internal_curve448.t | ||
| 03-test_internal_ec.t | ||
| 03-test_internal_ffc.t | ||
| 03-test_internal_mdc2.t | ||
| 03-test_internal_modes.t | ||
| 03-test_internal_namemap.t | ||
| 03-test_internal_poly1305.t | ||
| 03-test_internal_rsa_sp800_56b.t | ||
| 03-test_internal_siphash.t | ||
| 03-test_internal_sm2.t | ||
| 03-test_internal_sm4.t | ||
| 03-test_internal_ssl_cert_table.t | ||
| 03-test_internal_x509.t | ||
| 03-test_params_api.t | ||
| 03-test_property.t | ||
| 03-test_ui.t | ||
| 04-test_asn1_decode.t | ||
| 04-test_asn1_encode.t | ||
| 04-test_asn1_string_table.t | ||
| 04-test_bio_callback.t | ||
| 04-test_bioprint.t | ||
| 04-test_conf.t | ||
| 04-test_encoder_decoder.t | ||
| 04-test_err.t | ||
| 04-test_hexstring.t | ||
| 04-test_param_build.t | ||
| 04-test_params_conversion.t | ||
| 04-test_params.t | ||
| 04-test_pem.t | ||
| 04-test_provider_fallback.t | ||
| 04-test_provider.t | ||
| 05-test_bf.t | ||
| 05-test_cast.t | ||
| 05-test_cmac.t | ||
| 05-test_des.t | ||
| 05-test_hmac.t | ||
| 05-test_idea.t | ||
| 05-test_rand.t | ||
| 05-test_rc2.t | ||
| 05-test_rc4.t | ||
| 05-test_rc5.t | ||
| 06-test-rdrand.t | ||
| 10-test_bn.t | ||
| 10-test_exp.t | ||
| 15-test_dh.t | ||
| 15-test_dsa.t | ||
| 15-test_ec.t | ||
| 15-test_ecdsa.t | ||
| 15-test_ecparam.t | ||
| 15-test_gendh.t | ||
| 15-test_gendsa.t | ||
| 15-test_genec.t | ||
| 15-test_genrsa.t | ||
| 15-test_mp_rsa.t | ||
| 15-test_out_option.t | ||
| 15-test_rsa.t | ||
| 15-test_rsaoaep.t | ||
| 15-test_rsapss.t | ||
| 20-test_app.t | ||
| 20-test_cli_fips.t | ||
| 20-test_dgst.t | ||
| 20-test_enc_more.t | ||
| 20-test_enc.t | ||
| 20-test_kdf.t | ||
| 20-test_mac.t | ||
| 20-test_passwd.t | ||
| 20-test_pkeyutl.t | ||
| 20-test_rand_config.t | ||
| 25-test_crl.t | ||
| 25-test_d2i.t | ||
| 25-test_eai_data.t | ||
| 25-test_pkcs7.t | ||
| 25-test_req.t | ||
| 25-test_rusext.t | ||
| 25-test_sid.t | ||
| 25-test_verify_store.t | ||
| 25-test_verify.t | ||
| 25-test_x509.t | ||
| 30-test_acvp.t | ||
| 30-test_aesgcm.t | ||
| 30-test_afalg.t | ||
| 30-test_defltfips.t | ||
| 30-test_engine.t | ||
| 30-test_evp_extra.t | ||
| 30-test_evp_fetch_prov.t | ||
| 30-test_evp_kdf.t | ||
| 30-test_evp_libctx.t | ||
| 30-test_evp_pkey_dparam.t | ||
| 30-test_evp_pkey_provided.t | ||
| 30-test_evp.t | ||
| 30-test_pbelu.t | ||
| 30-test_pkey_meth_kdf.t | ||
| 30-test_pkey_meth.t | ||
| 30-test_provider_status.t | ||
| 40-test_rehash.t | ||
| 60-test_x509_check_cert_pkey.t | ||
| 60-test_x509_dup_cert.t | ||
| 60-test_x509_store.t | ||
| 60-test_x509_time.t | ||
| 61-test_bio_prefix.t | ||
| 65-test_cmp_asn.t | ||
| 65-test_cmp_client.t | ||
| 65-test_cmp_ctx.t | ||
| 65-test_cmp_hdr.t | ||
| 65-test_cmp_msg.t | ||
| 65-test_cmp_protect.t | ||
| 65-test_cmp_server.t | ||
| 65-test_cmp_status.t | ||
| 65-test_cmp_vfy.t | ||
| 66-test_ossl_store.t | ||
| 70-test_asyncio.t | ||
| 70-test_bad_dtls.t | ||
| 70-test_clienthello.t | ||
| 70-test_comp.t | ||
| 70-test_key_share.t | ||
| 70-test_packet.t | ||
| 70-test_recordlen.t | ||
| 70-test_renegotiation.t | ||
| 70-test_servername.t | ||
| 70-test_sslcbcpadding.t | ||
| 70-test_sslcertstatus.t | ||
| 70-test_sslextension.t | ||
| 70-test_sslmessages.t | ||
| 70-test_sslrecords.t | ||
| 70-test_sslsessiontick.t | ||
| 70-test_sslsigalgs.t | ||
| 70-test_sslsignature.t | ||
| 70-test_sslskewith0p.t | ||
| 70-test_sslversions.t | ||
| 70-test_sslvertol.t | ||
| 70-test_tls13alerts.t | ||
| 70-test_tls13cookie.t | ||
| 70-test_tls13downgrade.t | ||
| 70-test_tls13hrr.t | ||
| 70-test_tls13kexmodes.t | ||
| 70-test_tls13messages.t | ||
| 70-test_tls13psk.t | ||
| 70-test_tlsextms.t | ||
| 70-test_verify_extra.t | ||
| 70-test_wpacket.t | ||
| 71-test_ssl_ctx.t | ||
| 80-test_ca.t | ||
| 80-test_cipherbytes.t | ||
| 80-test_cipherlist.t | ||
| 80-test_ciphername.t | ||
| 80-test_cms.t | ||
| 80-test_cmsapi.t | ||
| 80-test_ct.t | ||
| 80-test_dane.t | ||
| 80-test_dtls_mtu.t | ||
| 80-test_dtls.t | ||
| 80-test_dtlsv1listen.t | ||
| 80-test_http.t | ||
| 80-test_ocsp.t | ||
| 80-test_pkcs12.t | ||
| 80-test_ssl_new.t | ||
| 80-test_ssl_old.t | ||
| 80-test_ssl_test_ctx.t | ||
| 80-test_sslcorrupt.t | ||
| 80-test_tsa.t | ||
| 80-test_x509aux.t | ||
| 81-test_cmp_cli.t | ||
| 90-test_asn1_time.t | ||
| 90-test_async.t | ||
| 90-test_bio_enc.t | ||
| 90-test_bio_memleak.t | ||
| 90-test_constant_time.t | ||
| 90-test_fatalerr.t | ||
| 90-test_gmdiff.t | ||
| 90-test_gost.t | ||
| 90-test_ige.t | ||
| 90-test_includes.t | ||
| 90-test_memleak.t | ||
| 90-test_overhead.t | ||
| 90-test_secmem.t | ||
| 90-test_shlibload.t | ||
| 90-test_srp.t | ||
| 90-test_sslapi.t | ||
| 90-test_sslbuffers.t | ||
| 90-test_store.t | ||
| 90-test_sysdefault.t | ||
| 90-test_threads.t | ||
| 90-test_time_offset.t | ||
| 90-test_tls13ccs.t | ||
| 90-test_tls13encryption.t | ||
| 90-test_tls13secrets.t | ||
| 90-test_v3name.t | ||
| 95-test_external_boringssl.t | ||
| 95-test_external_gost_engine.t | ||
| 95-test_external_krb5.t | ||
| 95-test_external_pyca.t | ||
| 99-test_ecstress.t | ||
| 99-test_fuzz.t | ||
| fuzz.pl | ||
| ocsp-response.der | ||
| tconversion.pl | ||