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[echo "QAT_HW Driver library not found in $with_qat_hw_dir/build. Install it & try again or proceed with 'make depend' target to install dependencies"])
Copy file name to clipboardExpand all lines: docs/limitations.md
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***qat_contig_mem** memory driver is not supported when running under FreeBSD
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Operating system or in the qatlib RPM. The default is to use the USDM memory
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driver supplied as part of the Intel® QAT Driver.
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***SM2, SM3 & SM4** application testing is done using BabaSSL only since OpenSSL
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***SM2, SM3 & SM4** application testing is done using Tongsuo only since OpenSSL
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doesn't support SMx cipher suites.
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* QAT Engine doesn't support **ENCRYPT_THEN_MAC**(default) mode of operation meaning
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when Encrypt then MAC is negotiated for symmetric ciphers say AES-CBC, the requests will not
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algorithm support.
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* QAT Engine built for OpenSSL3.0 is only compatible with dependent libraries also linked with OpenSSL3.0
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libraries due to [OpenSSL#17112][1]. Same applies for OpenSSL 1.1.1.
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* SM4-GCM and SM4-CCM are only supported with BabaSSL versions based on OpenSSL 1.1.1.
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They are not supported with OpenSSL 1.1.1, OpenSSL 3.0 and BabaSSL versions based
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on OpenSSL 3.0.
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* SM4-GCM, SM4-CCM and SM4-CBC are only supported with Tongsuo and they are not supported with OpenSSL.
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* Handshake Failures with X25519/X448 which is fixed in [Tongsuo#563][7] and SM2 init Failure in Speed test is fixed in [Tongsuo#590][8]. These issues observed in Tongsuo only and not in OpenSSL.
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* HKDF based on SM3 is not supported in QAT_HW, The request will fallback to OpenSSL software if
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fallback been enabled otherwise failures are observed.
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* There is a limitation with thread specific USDM: *memory allocated in one thread
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* Nginx Handshake Performance in OpenSSL3.0 is slightly slower compared to OpenSSL 1.1.1. The same
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behaviour is observed in OpenSSL_SW as well [OpenSSL#21833][6].
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* Performance scaling is not linear in QAT2.0 supported platforms in ECDSA and chacha-poly algorithms.
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* Performance drop observed with ECDSAP256 algorithm in the OpenSSL speed tests with FreeBSD 14 intree driver.
Copy file name to clipboardExpand all lines: docs/qat_hw_algo.md
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\* Enabled in the default build of qatengine for the specified platforms when `--with-qat_hw_dir` is provided in qatengine/qatprovider build configure.<br>
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\** Insecure algorithms which are disabled by default in QAT_HW driver version 1.7 & 1.8 and qatengine/qatprovider. Can be enabled using configure flag `--enable-qat_insecure_algorithms`. Driver will also needs to be built with the flag `./configure --enable-legacy-algorithms` to enable these algorithms at driver.<br>
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\*** Algorithms disabled by default as those are experimental.<br>
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\# Disabled by default as it is specific to BabaSSL and not applicable to OpenSSL. To be enabled when qatengine is built with BabaSSL.
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\# Disabled by default as it is specific to Tongsuo and not applicable to OpenSSL. To be enabled when qatengine is built with Tongsuo.
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Please refer [config_options](config_options.md) on details about algorithm enable/disable flags.
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