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Your old Let's Encrypt certificate may slow your Go app down | Better HN
Your old Let's Encrypt certificate may slow your Go app down
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(blog.espe.tech)
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lnsp
4y ago
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lnsp
OP
4y ago
TLDR: Your Let's Encrypt certificate may have an RSA private key. Go's TLS implementation is far better optimized for ECDSA keys. Switching from RSA to ECDSA saves about 95% of CPU cycles due to the better implementation.
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