OPENSSL_IA32CAP(3ssl) OpenSSL OPENSSL_IA32CAP(3ssl) OPENSSL_ia32cap - x86[_64] env OPENSSL_ia32cap=... <> OpenSSL x86[_64]. 32- 64-. (LV) OPENSSL_ia32cap. CPUID OPENSSL_ia32cap. x86[_64]. CPUID Intel(R) AMD64 ( 3). LV0 0 (LV0) CPUID.(EAX=01H).EDX CPUID.(EAX=01H).ECX: #0+4 #0+19 CLFLUSH #0+20 Intel RC4 #0+23 MMX #0+24 FXSR XMM #0+25 SSE #0+26 SSE2 #0+28 #0+30 Intel Intel #0+33 PCLMULQDQ #0+41 SSSE3 SSE3 #0+43 AMD XOP ( AMD) #0+54 MOVBE #0+57 AES-NI #0+58 XSAVE MOVBE Atom Silvermont #0+59 OSXSAVE YMM #0+60 AVX #0+62 RDRAND LV1 1 (LV1) CPUID.(EAX=07H,ECX=0H).EBX CPUID.(EAX=07H,ECX=0H).ECX: #64+3 BMI1 ANDN #64+5 AVX2 #64+8 BMI2 MULX RORX #64+16 AVX512F #64+17 AVX512DQ #64+18 RDSEED #64+19 ADCX ADOX #64+21 AVX512IFMA #64+29 SHA #64+30 AVX512BW #64+31 AVX512VL #64+41 VAES #64+42 VPCLMULQDQ LV2 2 (LV2) CPUID.(EAX=07H,ECX=0H).EDX CPUID.(EAX=07H,ECX=1H).EAX: #128+15 #128+29 MSR IA32_ARCH_CAPABILITIES #128+32 SHA512 #128+33 SM3 #128+34 SM4 #128+55 AVX-IFMA LV3 3 (LV3) CPUID.(EAX=07H,ECX=1H).EDX CPUID.(EAX=07H,ECX=1H).EBX: #192+19 AVX10 #192+21 APX_F LV4 4 (LV4) CPUID.(EAX=07H,ECX=1H).ECX CPUID.(EAX=24H,ECX=0H).EBX: #256+32+[0:7] AVX10 (8 ) #256+48 AVX10 XMM #256+49 AVX10 YMM #256+50 AVX10 ZMM OPENSSL_ia32cap OPENSSL_ia32cap . 64 (LV) . ':'. // . "env OPENSSL_ia32cap=LV0:LV1:LV2:LV3:LV4" ** . OPENSSL_ia32cap . 1 ( AVX): "env OPENSSL_ia32cap=:0" 2 : "env OPENSSL_ia32cap=::0" 1: "env OPENSSL_ia32cap=:0::::" . '~' . AVX2 : "env OPENSSL_ia32cap=:~0x20000000000" AESNI ( LV0 57) VAES ( LV1 41) : "env OPENSSL_ia32cap=~0x200000000000000:~0x20000000000:~0x0:~0x0:~0x0" CPUID . LV0 #28 ~0x10000000 " ". . AES. . 2004-2021 OpenSSL. . Apache 2.0 ( ""). . LICENSE . 3 . . : . 3.6.2 7 2026 OPENSSL_IA32CAP(3ssl)