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tarcieri/gist:7e3ff5582fa26708e7bd7dc2b419c2bc

Created September 26, 2021 17:36
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openssl SEC1/RFC5915 private keys
Raw
gistfile1.txt
$ openssl version
OpenSSL 1.1.1k 25 Mar 2021
$ openssl genpkey -algorithm EC -pkeyopt ec_paramgen_curve:P-256 -pkeyopt ec_param_enc:named_curve -out p256.pem
$ openssl asn1parse -in p256.pem
0:d=0 hl=3 l= 135 cons: SEQUENCE
3:d=1 hl=2 l= 1 prim: INTEGER :00
6:d=1 hl=2 l= 19 cons: SEQUENCE
8:d=2 hl=2 l= 7 prim: OBJECT :id-ecPublicKey
17:d=2 hl=2 l= 8 prim: OBJECT :prime256v1
27:d=1 hl=2 l= 109 prim: OCTET STRING [HEX DUMP]:306B02010104208225980620669F554FB548DA7AEA8AD04307E06F4F6E27BD75D96FC069A474B3A14403420004C48CA8CF3F38BA757E0D7FB2D961C3A1914A5783DE0748BE4024E3052AA804C4232BEB7AEB6E3503F487CB5F50EBDE03AF002E0318CF2F897BA983A74B016AA3
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