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[REBOL] Re: reading back checksum/secure

From: joel:neely:fedex at: 21-Oct-2003 14:11

Hi, Carlos, You can't. See below. Carlos Lorenz wrote:
> Considering the following code, how can I get > :pwd back in plain English? > >>>write %password.txt checksum/secure pwd >> > >>>pwd: read %password.txt >> > > == "'FJ$6&[/^Q8^[&" >
Check the help for CHECKSUM:
>> ? checksum
USAGE: CHECKSUM data /tcp /secure /hash size /method word /key key-value DESCRIPTION: Returns a CRC or other type of checksum. CHECKSUM is a native value. ARGUMENTS: data -- Data to checksum (Type: any-string) REFINEMENTS: /tcp -- Returns an Internet TCP 16-bit checksum. /secure -- Returns a cryptographically secure checksum. /hash -- Returns a hash value size -- Size of the hash table (Type: integer) /method -- Method to use word -- Method (Type: word) /key -- Returns keyed HMAC value key-value -- Key to use (Type: any-string) The description "cryptographically secure" means that it is intended to be infeasably difficult to reverse the computation. -jn- -- ---------------------------------------------------------------------- Joel Neely joelDOTneelyATfedexDOTcom 901-263-4446 Enron Accountingg in a Nutshell: 1c=$0.01=($0.10)**2=(10c)**2=100c=$1