The multi-thread safty of ECDH key generation and derive

[Peng Liu]

Hi,
At present I develop a back-end server. When client sends request for a new connection, the server needs to exchange EC public key with client. Each connection means a new thread. Are the ECDH key generation and derivation thread-safe? I use OpenSSL 1.0.2d-fips.

Thanks
Passinger

[vklein...@gmail.com]

No they're not, see https://vkleinschmidt.wordpress.com/2013/09/06/java-thread-safety-issue-with-ecdh-ciphers/

[davi...@gmail.com]

If you read the post carefully, you should realize that the thread unsafe was caused by BouncyCastle which allows concurrent access to some IntArray. It's not caused by OpenSSL.

[Goku Zeus]

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[Dorothy W Poole]

ECDH (Elliptic Curve Diffie-Hellman) key generation and key derivation can be implemented in a multi-threaded environment while maintaining thread safety. https://apklake.com/

[Robert Rodriguez]

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[Rose J]

The multi-thread safety of ECDH (Elliptic Curve Diffie-Hellman) key generation and derivation depends on the specific implementation and library you are using. However, I can provide some general guidance on the topic.

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