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Intel SHA Extensions are a set of extensions to the x86 instruction set architecture which support hardware acceleration of Secure Hash Algorithm (SHA) family. It was specified in 2013. [ 1 ] Instructions for SHA-512 was introduced in Arrow Lake and Lunar Lake in 2024.
Perform computation of a SHA-384/SHA-512 cryptographic hash. ES:rSI points to a series of 128-byte data chunks to perform hash computation for, ES:rDI points to a 64-byte digest to update, and ECX specifies the number of chunks to process. [h] ZhangJiang [d] REP XSHA512: F3 0F A6 E0: PMM Montgomery/Modular Multiplication. REP MONTMUL: F3 0F A6 ...
Instruction set extensions that have been added to the x86 instruction set in order to support hardware virtualization.These extensions provide instructions for entering and leaving a virtualized execution context and for loading virtual-machine control structures (VMCSs), which hold the state of the guest and host, along with fields which control processor behavior within the virtual machine.
Below is the full 8086/8088 instruction set of Intel (81 instructions total). [2] These instructions are also available in 32-bit mode, in which they operate on 32-bit registers (eax, ebx, etc.) and values instead of their 16-bit (ax, bx, etc.) counterparts.
The x86 architecture implements significant components of the AES (Advanced Encryption Standard) algorithm, [1] which can be used by the NSA for Top Secret information. [11] The architecture also includes support for the SHA Hashing Algorithms through the Intel SHA extensions . [ 1 ]
SHA-1 is prone to length extension attacks: In cryptography, SHA-1 (Secure Hash ... Intel SHA extensions: Available on some Intel and AMD x86 processors. VIA PadLock;
AES-NI (or the Intel Advanced Encryption Standard New Instructions; AES-NI) was the first major implementation. AES-NI is an extension to the x86 instruction set architecture for microprocessors from Intel and AMD proposed by Intel in March 2008. [2] A wider version of AES-NI, AVX-512 Vector AES instructions (VAES), is found in AVX-512. [3]
Intel's second generation of 32-bit x86 processors, introduced built-in floating point unit (FPU), 8 KB on-chip L1 cache, and pipelining. Faster per MHz than the 386. Small number of new instructions. P5 original Pentium microprocessors, first x86 processor with super-scalar architecture and branch prediction. P6