This National Institutes of Standards and Technology Federal Information Processing Standards Publication 180-4 "Secure Hash Standard (SHS)" specifies secure hash algorithms, SHA-1, SHA-224, SHA-256, SHA-384, SHA-512, SHA-512/224 and SHA-512/256. All of the algorithms are iterative, one-way hash functions that can process a message to produce a condensed representation called a message digest. These algorithms enable the determination of a message's integrity: any change to the message will, with a very high probability, result in a different message digest. This property is useful in the...
This National Institutes of Standards and Technology Federal Information Processing Standards Publication 180-4 "Secure Hash Standard (SHS)" specifies...
U. S. Department of Commerce Economics and Statistics Administration U. S. Census Bureau
This report presents data on income, poverty, and health insurance coverage in the United States based on information collected in the 2013 and earlier Current Population Survey Annual Social and Economic Supplements (CPS ASEC) conducted by the U.S. Census Bureau. Summary of findings: Real median household income in 2012 was not statistically different from the 2011 median income. The poverty rate in 2012 was not statistically different from 2011. The percentage of people without health insurance decreased between 2011 and 2012, while the number of uninsured in 2012 was not statistically...
This report presents data on income, poverty, and health insurance coverage in the United States based on information collected in the 2013 and earlie...