Difference between revisions of "HMAC-SHA1"
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== Overview == | == Overview == | ||
| − | HMAC-SHA1 is a | + | HMAC-SHA1 is an HMAC (hash-based message authentication code), a type of message authentication code using a cryptographic hash function and a secret cryptographic key, generated by the SHA-1 hash algorithm. |
It is implemented in FPC trunk revision 27319 of March 2014. | It is implemented in FPC trunk revision 27319 of March 2014. | ||
| Line 8: | Line 8: | ||
Example code: packages/hash/examples/hsha1.pp | Example code: packages/hash/examples/hsha1.pp | ||
| − | == See also | + | <syntaxhighlight lang="pascal"> |
| − | * Mailing list thread started by the author of the code | + | // See some samples in: http://en.wikipedia.org/wiki/Hash-based_message_authentication_code |
| + | program hsha1; | ||
| + | |||
| + | {$mode objfpc}{$H+} | ||
| + | |||
| + | uses | ||
| + | HMAC; | ||
| + | |||
| + | begin | ||
| + | // for HMAC_SHA1("", "") = 0xfbdb1d1b18aa6c08324b7d64b71fb76370690e1d | ||
| + | WriteLn('Example 1: ', HMACSHA1Print(HMACSHA1Digest('', ''))); | ||
| + | |||
| + | // for HMAC_SHA1("key", "The quick brown fox jumps over the lazy dog") = 0xde7c9b85b8b78aa6bc8a7a36f70a90701c9db4d9 | ||
| + | WriteLn('Example 2: ', HMACSHA1('key', 'The quick brown fox jumps over the lazy dog')); | ||
| + | end. | ||
| + | </syntaxhighlight> | ||
| + | |||
| + | == See also == | ||
| + | |||
| + | * [https://fpc-pascal.freepascal.narkive.com/eyV27Nra/hmac-sha1-and-fpc#post2 Mailing list thread] started by the author of the code. | ||
| + | |||
* [[HMAC-MD5]] | * [[HMAC-MD5]] | ||
| + | |||
* [[hash]] | * [[hash]] | ||
Latest revision as of 03:03, 28 October 2021
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Overview
HMAC-SHA1 is an HMAC (hash-based message authentication code), a type of message authentication code using a cryptographic hash function and a secret cryptographic key, generated by the SHA-1 hash algorithm.
It is implemented in FPC trunk revision 27319 of March 2014.
Example code: packages/hash/examples/hsha1.pp
// See some samples in: http://en.wikipedia.org/wiki/Hash-based_message_authentication_code
program hsha1;
{$mode objfpc}{$H+}
uses
HMAC;
begin
// for HMAC_SHA1("", "") = 0xfbdb1d1b18aa6c08324b7d64b71fb76370690e1d
WriteLn('Example 1: ', HMACSHA1Print(HMACSHA1Digest('', '')));
// for HMAC_SHA1("key", "The quick brown fox jumps over the lazy dog") = 0xde7c9b85b8b78aa6bc8a7a36f70a90701c9db4d9
WriteLn('Example 2: ', HMACSHA1('key', 'The quick brown fox jumps over the lazy dog'));
end.
See also
- Mailing list thread started by the author of the code.
