EVP_md2.3ossl - Man Page

EVP_md2 ​- MD2 For EVP

Synopsis

​ #include <openssl/evp.h>
​
​ const EVP_MD *EVP_md2(void);

Description

MD2 is a cryptographic hash function standardized in RFC 1319 and designed by Ronald Rivest. This implementation is only available with the legacy provider.

EVP_md2()

The MD2 algorithm which produces a 128-bit output from a given input.

Notes

Developers should be aware of the negative performance implications of calling this function multiple times and should consider using ​EVP_MD_fetch(3) with EVP_MD-MD2(7) instead. See "Performance" in crypto(7) for further information.

Return Values

These functions return a EVP_MD structure that contains the implementation of the message digest. See EVP_MD_meth_new(3) for details of the EVP_MD structure.

Conforming to

IETF RFC 1319.

See Also

evp(7), ​provider(7), ​EVP_DigestInit(3)

Referenced By

EVP_DigestInit.3ossl(3).

2026-08-25 3.5.8 OpenSSL