Created
February 12, 2015 02:40
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Openssl Digital Signature
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| [jesse@jesse python-ecdsa]$ openssl ecparam -list_curves | |
| secp384r1 : NIST/SECG curve over a 384 bit prime field | |
| secp521r1 : NIST/SECG curve over a 521 bit prime field | |
| prime256v1: X9.62/SECG curve over a 256 bit prime field | |
| [jesse@jesse python-ecdsa]$ openssl ecparam -name secp384r1 -genkey -out sk.pem | |
| [jesse@jesse python-ecdsa]$ openssl ec -in sk.pem -pubout -out vk.pem | |
| read EC key | |
| writing EC key | |
| [jesse@jesse python-ecdsa]$ cat vk.pem | |
| -----BEGIN PUBLIC KEY----- | |
| MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEPRmbGSh2XCBI8ZqgqczYahJuZOzFcid9 | |
| 87CJbihwCPjdSIjqkyEZy7Rw48pNnpA+96yT5LgNOqUqMsRoVCvN/tZzO3YA2GAs | |
| NNXz2v/n8yeF9y1Tg+z9rRSxQN/PQLkE | |
| -----END PUBLIC KEY----- | |
| [jesse@jesse python-ecdsa]$ wget -q https://api.unfoldingword.org/obs/txt/1/en/obs-en.json | |
| [jesse@jesse python-ecdsa]$ openssl dgst -ecdsa-with-SHA1 -sign sk.pem -out obs-en.sig obs-en.json | |
| [jesse@jesse python-ecdsa]$ openssl dgst -ecdsa-with-SHA1 -verify vk.pem -signature obs-en.sig obs-en.json | |
| Verified OK | |
| [jesse@jesse python-ecdsa]$ openssl dgst -ecdsa-with-SHA1 -prverify sk.pem -signature obs-en.sig obs-en.json | |
| Verified OK |
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