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postgres/contrib/pgcrypto
History
Bruce Momjian 6099009eae
Well, the correct code - that corresponds to current 		24 years ago
..
Makefile Changes: 25 years ago
README.pgcrypto Documentation update from Marko Kreen. 25 years ago
encode.c Well, the correct code - that corresponds to current 24 years ago
encode.h pgindent run. Make it all clean. 25 years ago
internal.c pgindent run. Make it all clean. 25 years ago
krb.c pgindent run. Make it all clean. 25 years ago
md5.c pgindent run. Make it all clean. 25 years ago
md5.h pgindent run. Make it all clean. 25 years ago
mhash.c pgindent run. Make it all clean. 25 years ago
openssl.c pgindent run. Make it all clean. 25 years ago
pgcrypto.c pgindent run. Make it all clean. 25 years ago
pgcrypto.h pgindent run. Make it all clean. 25 years ago
pgcrypto.sql.in I would like to do a interface change in pgcrypto. (Good 25 years ago
sha1.c pgindent run. Make it all clean. 25 years ago
sha1.h pgindent run. Make it all clean. 25 years ago

README.pgcrypto 


DESCRIPTION

  Here are various cryptographic and otherwise useful
  functions for PostgreSQL.

    encode(data, type)
        encodes binary data into ASCII-only representation.
	Types supported are 'hex' and 'base64'.

    decode(data, type)
    	decodes the data processed by encode()

    digest(data::text, hash_name::text)
	which returns cryptographic checksum over data by
	specified algorithm. eg

	> select encode(digest('blah', 'sha1'), 'hex');
	5bf1fd927dfb8679496a2e6cf00cbe50c1c87145

    digest_exists(hash_name::text)::bool
	which reports if particular hash type exists.

  If any of arguments are NULL they return NULL.

HASHES

  For choosing library you must edit Makefile.

  standalone (default):
	MD5, SHA1

	(the code is from KAME project.  Actually I hate code
	duplication, but I also want to quarantee that MD5 and
	SHA1 exist)

  mhash (0.8.1):
	MD5, SHA1, CRC32, CRC32B, GOST, TIGER, RIPEMD160,
	HAVAL(256,224,192,160,128)

  openssl:
	MD5, SHA1, RIPEMD160, MD2

  kerberos5 (heimdal):
	MD5, SHA1

ENCRYPTION

  There is experimental version out with encryption, HMAC
  and UN*X crypt() support in

    http://www.l-t.ee/marko/pgsql/

  Current latest release is pgcrypto-0.3.tar.gz.