EVP\_MD-MD4(7ossl) OpenSSL EVP\_MD-MD4(7ossl)

# [NAME](#NAME)

EVP\_MD-MD4 - The MD4 EVP\_MD implementation

# [DESCRIPTION](#DESCRIPTION)

Support for computing MD4 digests through the **EVP\_MD** API.

## [Identity](#Identity)

This implementation is only available with the legacy provider, and is identified with the name "MD4".

## [Gettable Parameters](#Gettable_Parameters)

This implementation supports the common gettable parameters described in [**EVP\_MD-common**(7)](/man/os/openssl-4.0/EVP_MD-common.7).

# [SEE ALSO](#SEE_ALSO)

[**provider-digest**(7)](/man/os/openssl-4.0/provider-digest.7), [**OSSL\_PROVIDER-default**(7)](/man/os/openssl-4.0/OSSL_PROVIDER-default.7)

# [COPYRIGHT](#COPYRIGHT)

Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.

Licensed under the Apache License 2.0 (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <https://www.openssl.org/source/license.html>.

2026-09-29 4.0.3

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Document: EVP_MD-MD4(7ossl) from openssl-4.0 4.0.3-r6 (Chainguard OS)