rfc-1321

The MD5 Message-Digest Algorithm

R. Rivest

date1992-04 streamIETF areasec wgpem statusINFORMATIONAL pages21 canonicalhttps://www.rfc-editor.org/rfc/rfc1321 doi10.17487/RFC1321 errataview

This document describes the MD5 message-digest algorithm. The algorithm takes as input a message of arbitrary length and produces as output a 128-bit "fingerprint" or "message digest" of the input. This memo provides information for the Internet community. It does not specify an Internet standard.

updated by

rfc-6151 — Updated Security Considerations for the MD5 Message-Digest and the HMAC-MD5 Algorithms