libsecp256k1

Description:	Optimized C library for EC operations on curve secp256k1
Homepage:	https://github.com/bitcoin-core/secp256k1
Location:	Portage

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		alpha	amd64	arm	hppa	ia64	m68k	mips	ppc	ppc64	s390	sh	sparc	x86
0.4.0	diff	-	~	~	-	-	-	~	~	~	-	-	-	~
0.3.2	diff	-	~	~	-	-	-	~	~	~	-	-	-	~
0.3.1	diff	-	~	~	-	-	-	~	~	~	-	-	-	~
0.3.0	diff	-	~	~	-	-	-	~	~	~	-	-	-	~
0.1_pre20201028-r1	diff	-	+	~	-	-	-	~	~	~	-	-	-	+
0.1_pre20190401		-	+	~	-	-	-	~	~	~	-	-	-	+

ecdh - Enable ECDH shared secret computation
ellswift - Enable ElligatorSwift encoding for public keys
experimental - Allow experimental USE flags
extrakeys - Enable extrakeys module
gmp - Add support for dev-libs/gmp (GNU MP library)
java - Add support for Java
lowmem - Reduce runtime memory usage at the expense of performance (ecmult window size 4, gen precision 2)
recovery - Enable ECDSA pubkey recovery module
schnorr - Enable Schnorr signature module
test - Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently)
valgrind - Enable annotations for accuracy. May slow down runtime slightly. Safe to use even if not currently using dev-debug/valgrind

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