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author | william <william@25tandclement.com> | 2013-12-09 21:26:39 -0800 |
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committer | william <william@25tandclement.com> | 2013-12-09 21:26:39 -0800 |
commit | e3ec2e4f949267ca48fe9fe983dd00f41010c2a8 (patch) | |
tree | 744fc7d57d94e044699c0f7ece7cb47cb56cfaff /examples/vrfy.sig | |
parent | 9db41e05d9a00eb906b530b38bcaaa068d40c88b (diff) | |
download | luaossl-e3ec2e4f949267ca48fe9fe983dd00f41010c2a8.tar.gz luaossl-e3ec2e4f949267ca48fe9fe983dd00f41010c2a8.tar.bz2 luaossl-e3ec2e4f949267ca48fe9fe983dd00f41010c2a8.zip |
copy over our examples/
Diffstat (limited to 'examples/vrfy.sig')
-rwxr-xr-x | examples/vrfy.sig | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/examples/vrfy.sig b/examples/vrfy.sig new file mode 100755 index 0000000..94daf43 --- /dev/null +++ b/examples/vrfy.sig @@ -0,0 +1,35 @@ +#!/usr/local/lua52/bin/lua +-- +-- Example public-key signature verification. +-- + +local pubkey = require"openssl.pubkey" +local digest = require"openssl.digest" + +-- generate a public/private key pair +local key = pubkey.new{ type = "EC", curve = "prime192v1" } + +-- digest our message using an appropriate digest ("ecdsa-with-SHA1" for EC; +-- "dss1" for DSA; and "sha1", "sha256", etc for RSA). +local data = digest.new"ecdsa-with-SHA1" +data:update(... or "hello world") + +-- generate a signature for our data +local sig = key:sign(data) + +-- to prove verification works, instantiate a new object holding just +-- the public key +local pub = pubkey.new(key:toPEM"public") + +-- a utility routine to output our signature +local function tohex(b) + local x = "" + for i = 1, #b do + x = x .. string.format("%.2x", string.byte(b, i)) + end + return x +end + +print("okay", pub:verify(sig, data)) +print("type", pub:type()) +print("sig", tohex(sig)) |