This has been solved, thanks On 7/19/05, Greg Morphis <[EMAIL PROTECTED]> wrote: > Okay so I think I know what the problem is.. I downloaded a hash > calculator and one of the options is telling it the format of the text > entered, hex string or text string. > > Does anyone know how to accomplish this? > I've tried using InputBaseN to convert the string before passing it to > the sha-1 function but thats not working either. > > Any ideas on how to accomplish this? > > > > > > On 7/18/05, Greg Morphis <[EMAIL PROTECTED]> wrote: > > I was told that I have to take a 56 bit hex number (MEID) and convert it to > > a > > 32 bit hex number (pESN). The end result should look like this.. > > * The upper 8 bits of pseudo-ESN shall be set to 0x80. > > * The lower 24 bits of pseudo-ESN shall be the 24 least significant bits > > of the SHA-1 digest of the MEID. > > > > So the pESN should be 80 XX XX XX. > > An example is this.. > > Example: if the 56-bit MEID is (hexadecimal) FF 00 00 01 12 34 56, the > > pseudo-ESN is > > (hexadecimal) 80 07 37 E1. > > > > I can't get this to compute.. > > I downloaded the a tag from cflib.. http://www.cflib.org/udf.cfm?ID=34 > > and it returns the digest of when applying the SHA-1 algorithm to > > "FF000001123456": > > 9894AF3B86038B3E14D7313C726CCDDD9319124E > > > > I've tried using InputBaseN and FormatBaseN and I'm having no luck. > > Given message=FF000001123456 > > The SHA-1 message digest is: 9894AF3B86038B3E14D7313C726CCDDD9319124E > > > > So I need to get the 24 least significant bits and convert it to hex > > and some how it'll equal > > 07 37 E1. > > > > I'm taking the last 8 digits from the digest and playing around with > > that "9319124E" > > Given message=FF000001123456 > > The SHA-1 message digest is: 9319124E > > InputBaseN(sha,16): -1827073458 > > Right 24 (binary): 000110010001001001001110 <- that should be the > > least 24 significant bits > > > > > > To Number: 1643086 <- using inputbasen > > To Hex: 19124e <- using formatbasen > > > > and that hex doesnt equal 0737E1 > > > > > > What am I missing here? > > > > > > -- > > Auxilium meum a Domino > > > > > -- > Auxilium meum a Domino >
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