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-rw-r--r--gnu/packages/crypto.scm41
1 files changed, 41 insertions, 0 deletions
diff --git a/gnu/packages/crypto.scm b/gnu/packages/crypto.scm
index 082d6ecde1..84b00e0d8c 100644
--- a/gnu/packages/crypto.scm
+++ b/gnu/packages/crypto.scm
@@ -905,3 +905,44 @@ GnuPG or encrypted filesystems. Enchive has no external dependencies and is
trivial to build for local use. Portability is emphasized over performance.")
(home-page "https://github.com/skeeto/enchive")
(license license:unlicense)))
+
+(define-public libsecp256k1
+ (let ((commit "e34ceb333b1c0e6f4115ecbb80c632ac1042fa49"))
+ (package
+ (name "libsecp256k1")
+ (version (git-version "20181126" "1" commit))
+ (source (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/bitcoin-core/secp256k1")
+ (commit commit)))
+ (sha256
+ (base32
+ "0as78s179hcr3ysk3fw98k5wzabgnwri7vkkc17wg31lyz6ids6c"))
+ (file-name (git-file-name name version))))
+ (build-system gnu-build-system)
+ (native-inputs
+ `(("autoconf" ,autoconf)
+ ("automake" ,automake)
+ ("libtool" ,libtool)))
+ ;; WARNING: This package might need additional configure flags to run properly.
+ ;; See https://git.archlinux.org/svntogit/community.git/tree/trunk/PKGBUILD?h=packages/libsecp256k1.
+ (synopsis "C library for EC operations on curve secp256k1")
+ (description
+ "Optimized C library for EC operations on curve secp256k1.
+
+This library is a work in progress and is being used to research best
+practices. Use at your own risk.
+
+Features:
+
+@itemize
+@item secp256k1 ECDSA signing/verification and key generation.
+@item Adding/multiplying private/public keys.
+@item Serialization/parsing of private keys, public keys, signatures.
+@item Constant time, constant memory access signing and pubkey generation.
+@item Derandomized DSA (via RFC6979 or with a caller provided function.)
+@item Very efficient implementation.
+@end itemize\n")
+ (home-page "https://github.com/bitcoin-core/secp256k1")
+ (license license:unlicense))))