Implement the ECKeyPairGenerator initialize func #17

Job	Run time
Select platforms	1s
linux-x64-hs-minimal / build (debug)	1m 45s
linux-x64-hs-nopch / build (debug)	1m 38s
linux-cross-compile / build (aarch64)	4m 30s
linux-x64 / build (debug)	1m 56s
linux-cross-compile / build (arm)	4m 14s
linux-x64 / build (release)	1m 39s
linux-cross-compile / build (s390x)	4m 0s
linux-x64-hs-optimized / build (debug)	1m 50s
linux-x64-hs-zero / build (debug)	1m 38s
linux-cross-compile / build (ppc64le)	4m 17s
linux-x86 / build (debug)	2m 18s
macos-aarch64 / build (debug)	3m 12s
linux-x86 / build (release)	1m 50s
windows-aarch64 / build (debug)	4m 10s
macos-aarch64 / build (release)	3m 1s
macos-x64 / build (debug)	2m 50s
windows-aarch64 / build (release)	4m 10s
macos-x64 / build (release)	3m 3s
windows-x64 / build (debug)	2m 59s
windows-x64 / build (release)	3m 51s
linux-x64	0s
linux-x86	0s
macos-x64	0s
windows-x64	0s
Remove bundle artifacts	3s
	58m 55s

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