EVP_MD-MD5-SHA1
Section: OpenSSL (7SSL)
Updated: 2024-03-03
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NAME
EVP_MD-MD5-SHA1 - The MD5-SHA1 EVP_MD implementation
DESCRIPTION
Support for computing MD5-SHA1 digests through the EVP_MD API.
MD5-SHA1 is a rather special digest that's used with SSLv3.
Identity
This implementation is only available with the default provider, and is
identified with the name ``MD5-SHA1''.
Gettable Parameters
This implementation supports the common gettable parameters described
in EVP_MD-common(7).
Settable Context Parameters
This implementation supports the following OSSL_PARAM(3) entries,
settable for an EVP_MD_CTX with EVP_MD_CTX_set_params(3):
- "ssl3-ms" (OSSL_DIGEST_PARAM_SSL3_MS) <octet string>
-
This parameter is set by libssl in order to calculate a signature hash for an
SSLv3 CertificateVerify message as per RFC6101.
It is only set after all handshake messages have already been digested via
OP_digest_update() calls.
The parameter provides the master secret value to be added to the digest.
The digest implementation should calculate the complete digest as per RFC6101
section 5.6.8.
The next call after setting this parameter should be OP_digest_final().
SEE ALSO
EVP_MD_CTX_set_params(3), provider-digest(7), OSSL_PROVIDER-default(7)
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>.
Index
- NAME
-
- DESCRIPTION
-
- Identity
-
- Gettable Parameters
-
- Settable Context Parameters
-
- SEE ALSO
-
- COPYRIGHT
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