asn1

asn1 is used at run time in 4 crates.

Number of dependers	asn1 version	Downloads/month
0	0.16.2	52K
2	0.15.5	61K
1	0.14.0	0
1	0.12.3	5.2K

Depender			asn1 version
		bjorn-acme		^0.14
		rsa-oaep-pss		^0.12.2
		x509-test-gen		^0.15.2
		sgx_pck_extension		^0.15