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CryptGenRandom
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CryptGenRandom : ウィキペディア英語版
CryptGenRandom

CryptGenRandom is a cryptographically secure pseudorandom number generator function that is included in Microsoft's Cryptographic Application Programming Interface. In Win32 programs, Microsoft recommends its use anywhere random number generation is needed. A 2007 paper from Hebrew University suggested security problems in the Windows 2000 implementation of CryptGenRandom (assuming the attacker has control of the machine). Microsoft later acknowledged that the same problems exist in Windows XP, but not in Vista. Microsoft released a fix for the bug with Windows XP Service Pack 3 in mid-2008.〔(Microsoft confirms that XP contains random number generator bug )〕
==Background==
The Win32 API includes comprehensive support for cryptographic security, including native TLS support (via the ''SCHANNEL'' API) and Code signing. These capabilities are built on native Windows libraries for cryptographic operations, such as RSA and AES key generation. These libraries in turn rely on a cryptographically secure pseudorandom number generator (CSPRNG). CryptGenRandom is the standard CSPRNG for the Win32 programming environment.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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