rewriting most of the asn1 init code in ruby #1094

Job	Run time
openssl-1.0.2u	2m 33s
openssl-1.1.0l	1m 34s
openssl-1.1.1w	1m 48s
openssl-3.0.13	2m 56s
openssl-3.1.5	2m 58s
openssl-3.2.1	3m 20s
openssl-3.3.0	3m 19s
libressl-3.1.5	2m 5s
libressl-3.2.7	2m 24s
libressl-3.3.6	2m 13s
libressl-3.4.3	2m 20s
libressl-3.5.3	2m 15s
libressl-3.6.3	2m 17s
libressl-3.7.3	2m 21s
libressl-3.8.4	2m 17s
libressl-3.9.1	2m 12s
openssl-3.0.13 fips	2m 45s
openssl-3.1.5 fips	2m 52s
openssl-3.2.1 fips	3m 10s
openssl-3.3.0 fips	3m 18s
openssl-head	3m 31s
openssl-head fips	4m 1s
openssl-head no-legacy	3m 32s
ruby-versions / Generate Ruby versions	2s
ubuntu-22.04 2.7	1m 3s
ubuntu-22.04 3.0	51s
ubuntu-22.04 3.1	1m 3s
ubuntu-22.04 3.2	1m 1s
ubuntu-22.04 3.3	58s
ubuntu-22.04 head	58s
ubuntu-22.04 truffleruby	1m 38s
ubuntu-22.04 truffleruby-head	1m 51s
ubuntu-20.04 2.7	58s
ubuntu-20.04 3.0	52s
ubuntu-20.04 3.1	56s
ubuntu-20.04 3.2	53s
ubuntu-20.04 3.3	51s
ubuntu-20.04 head	58s
ubuntu-20.04 truffleruby-head	1m 43s
macos-latest 2.7	49s
macos-latest 3.0	36s
macos-latest 3.1	41s
macos-latest 3.2	40s
macos-latest 3.3	37s
macos-latest head	52s
macos-latest truffleruby-head	1m 29s
windows-latest 2.7	4m 44s
windows-latest 3.0	4m 10s
windows-latest 3.1	4m 3s
windows-latest 3.2	4m 55s
windows-latest 3.3	5m 22s
windows-latest head	3m 56s
windows-latest ucrt	3m 35s
windows-latest mswin	2m 41s
	1h 57m 47s

Provide feedback