| 1 | #!/bin/bash |
| 2 | K=000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004 |
| 3 | echo "$K" | wc -c |
| 4 | # generate secp384r1 key with provided K value |
| 5 | # 30 3E SEQUENCE, len 62 |
| 6 | # 02 01 01 version = 1 |
| 7 | # 04 30 <bytes of K value> privateKey OCTET STRING |
| 8 | # A0 07 06 05 2B 81 04 00 22 [0] parameters = secp384r |
| 9 | printf '303e0201010430%s%s' "$K" 'a00706052b81040022' | xxd -r -p > key.der \ |
| 10 | && openssl ec -inform DER -in key.der -out private-key.pem \ |
| 11 | && openssl ec -in private-key.pem -noout -text |
| 12 | |
| 13 | # https://emudhra.we-have-a-problem.com/ |
| 14 | # https://gist.github.com/Fluepke/9a103c7f990c3cc2fb5002f7476f2f48 |
jackz / make_key.sh
Last active 1 hour ago