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Merge pull request #19 from Zash/zash/pubkey

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Zash/pubkey
This commit is contained in:
brunoos 2014-04-21 11:52:40 -03:00
commit a481015217
1 changed files with 47 additions and 0 deletions
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47
src/x509.c
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@ -308,6 +308,52 @@ static int meth_pem(lua_State* L)
return 1;
}
/**
* Extract public key in PEM format.
*/
static int meth_pubkey(lua_State* L)
{
char* data;
long bytes;
int ret = 1;
X509* cert = lsec_checkx509(L, 1);
BIO *bio = BIO_new(BIO_s_mem());
EVP_PKEY *pkey = X509_get_pubkey(cert);
if(PEM_write_bio_PUBKEY(bio, pkey)) {
bytes = BIO_get_mem_data(bio, &data);
if (bytes > 0) {
lua_pushlstring(L, data, bytes);
switch(EVP_PKEY_type(pkey->type)) {
case EVP_PKEY_RSA:
lua_pushstring(L, "RSA");
break;
case EVP_PKEY_DSA:
lua_pushstring(L, "DSA");
break;
case EVP_PKEY_DH:
lua_pushstring(L, "DH");
break;
case EVP_PKEY_EC:
lua_pushstring(L, "EC");
break;
default:
lua_pushstring(L, "Unknown");
break;
}
lua_pushinteger(L, EVP_PKEY_bits(pkey));
ret = 3;
}
else
lua_pushnil(L);
}
else
lua_pushnil(L);
/* Cleanup */
BIO_free(bio);
EVP_PKEY_free(pkey);
return ret;
}
/**
* Compute the fingerprint.
*/
@ -460,6 +506,7 @@ static luaL_Reg methods[] = {
{"notbefore", meth_notbefore},
{"notafter", meth_notafter},
{"pem", meth_pem},
{"pubkey", meth_pubkey},
{"serial", meth_serial},
{"subject", meth_subject},
{"validat", meth_valid_at},