Merge bitcoin-core/secp256k1#1131: readme: Misc improvements
88b00897e7readme: Fix line break (Tim Ruffing)78f5296da4readme: Sell "no runtime dependencies" (Tim Ruffing)ef48f088adreadme: Add IRC channel (Tim Ruffing) Pull request description: ACKs for top commit: apoelstra: utACK88b00897e7sipa: ACK88b00897e7Tree-SHA512: 174f1596406f98a19059a18cd4fb993102e5ffb8ec29fcc6d03e27f135fcb526b37204b64055b5e4f0a273daab05d395cf335f26241cf3a29a060041c9ef109b
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@@ -2,6 +2,8 @@ libsecp256k1
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============
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[](https://cirrus-ci.com/github/bitcoin-core/secp256k1)
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[](https://web.libera.chat/#secp256k1)
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Optimized C library for ECDSA signatures and secret/public key operations on curve secp256k1.
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@@ -15,6 +17,7 @@ Features:
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* Derandomized ECDSA (via RFC6979 or with a caller provided function.)
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* Very efficient implementation.
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* Suitable for embedded systems.
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* No runtime dependencies.
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* Optional module for public key recovery.
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* Optional module for ECDH key exchange.
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* Optional module for Schnorr signatures according to [BIP-340](https://github.com/bitcoin/bips/blob/master/bip-0340.mediawiki).
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@@ -72,11 +75,12 @@ To compile optional modules (such as Schnorr signatures), you need to run `./con
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Usage examples
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-----------
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Usage examples can be found in the [examples](examples) directory. To compile them you need to configure with `--enable-examples`.
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Usage examples can be found in the [examples](examples) directory. To compile them you need to configure with `--enable-examples`.
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* [ECDSA example](examples/ecdsa.c)
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* [Schnorr signatures example](examples/schnorr.c)
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* [Deriving a shared secret (ECDH) example](examples/ecdh.c)
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To compile the Schnorr signature and ECDH examples, you also need to configure with `--enable-module-schnorrsig` and `--enable-module-ecdh`.
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To compile the Schnorr signature and ECDH examples, you also need to configure with `--enable-module-schnorrsig` and `--enable-module-ecdh`.
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Test coverage
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-----------
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