Bull Mountain

Bull Mountain may refer to:

See also

RdRand

RDRAND (previously known as Bull Mountain) is an instruction for returning random numbers from an Intel on-chip hardware random number generator.RDRAND is available in Ivy Bridge processors and is part of the Intel 64 and IA-32 instruction set architectures. AMD added support for the instruction in June 2015.

The random number generator is compliant with security and cryptographic standards such as NIST SP 800-90A,FIPS 140-2, and ANSI X9.82. Intel also requested Cryptography Research Inc. to review the random number generator in 1999 and 2012, which resulted in two published papers: The Intel Random Number Generator in 1999, and Analysis of Intel's Ivy Bridge Digital Random Number Generator in 2012.

RDSEED is similar to RDRAND and suitable for producing seed material. The RDSEED generator and processor instruction rdseed are available with Intel Broadwell CPUs and AMD Zen CPUs.

Overview

The CPUID instruction can be used to check whether the central processing unit (CPU) supports the RDRAND instruction on both AMD and Intel CPUs. If supported, bit 30 of the ECX register is set after calling CPUID standard function 01H. AMD processors are checked for the feature using the same test.RDSEED availability can be checked on Intel CPUs in a similar manner. If RDSEED is supported, the bit 18 of the EBX register is set after calling CPUID standard function 07H.

Bull Mountain (Utah)

Bull Mountain, at 9,925 feet (3,025 m) above sea level is the highest peak in the Raft River Mountains of Box Elder County in northern Utah. Bull Mountain is located southwest of Yost, Utah, west of Snowville, Utah and south of Malta, Idaho in the Raft River Division of the Minidoka Ranger District of Sawtooth National Forest.

The northern slopes of Bull Mountain are drained by tributaries of the Raft River, a tributary of the Snake River, and the southern slopes drain into the Great Salt Lake. The peak can be reached via a long trail from the east or a 4-wheel drive road from the west. The summit is very broad, but views from the mountain can encompass the Albion, Black Pine, and Wasatch mountains.

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