rewriting most of the asn1 init code in ruby #1004

Job	Run time
openssl-1.0.2u	1m 57s
openssl-1.1.0l	1m 4s
openssl-1.1.1w	1m 18s
openssl-3.0.13	2m 24s
openssl-3.1.5	2m 24s
openssl-3.2.1	2m 56s
libressl-3.1.5	1m 35s
libressl-3.2.7	1m 37s
libressl-3.3.6	1m 39s
libressl-3.4.3	1m 37s
libressl-3.5.3	1m 40s
libressl-3.6.3	1m 41s
libressl-3.7.3	1m 41s
libressl-3.8.2	1m 40s
openssl-3.0.13 fips	2m 41s
openssl-3.1.5 fips	2m 35s
openssl-3.2.1 fips	2m 58s
openssl-head	2m 51s
openssl-head fips	3m 2s
openssl-head no-legacy	2m 52s
ruby-versions / Generate Ruby versions	3s
ubuntu-22.04 2.7	32s
ubuntu-22.04 3.0	25s
ubuntu-22.04 3.1	27s
ubuntu-22.04 3.2	25s
ubuntu-22.04 3.3	25s
ubuntu-22.04 head	23s
ubuntu-22.04 truffleruby	39s
ubuntu-22.04 truffleruby-head	42s
ubuntu-20.04 2.7	34s
ubuntu-20.04 3.0	27s
ubuntu-20.04 3.1	27s
ubuntu-20.04 3.2	21s
ubuntu-20.04 3.3	29s
ubuntu-20.04 head	22s
ubuntu-20.04 truffleruby-head	37s
macos-latest 2.7	1m 20s
macos-latest 3.0	40s
macos-latest 3.1	48s
macos-latest 3.2	47s
macos-latest 3.3	30s
macos-latest head	28s
macos-latest truffleruby-head	47s
windows-latest 2.7	5m 1s
windows-latest 3.0	3m 32s
windows-latest 3.1	4m 13s
windows-latest 3.2	3m 24s
windows-latest 3.3	4m 5s
windows-latest ucrt	2m 52s
windows-latest mswin	2m 20s
	1h 20m 17s

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