Is OpenSSH using OpenSSL to encrypt traffic? Or something else?


2 Answers 2


OpenSSH is a program depending on OpenSSL the library, specifically OpenSSH uses the libcrypto part of OpenSSL.

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    It's worth mentioning that OpenSSH does not use the TLS protocol thats used for HTTPS etc. OpenSSH uses some of the OpenSSL cryptographic primatives. Apr 22, 2014 at 8:04

OpenSSH can be compiled without OpenSSL since 2014:

The author stated that this was in the making for a long time, but Heartbleed was likely the last straw.

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