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openssl.pkey: support reading pkey with passphrase #191

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openssl.pkey: support reading pkey with passphrase #191

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12 changes: 7 additions & 5 deletions src/openssl.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4065,8 +4065,8 @@ static BIO *getbio(lua_State *L) {
static int pk_new(lua_State *L) {
EVP_PKEY **ud;

/* #1 table or key; if key, #2 format and #3 type */
lua_settop(L, 3);
/* #1 table or key; if key, #2 format, #3 type and #4 passphrase */
lua_settop(L, 4);

if (lua_istable(L, 1) || lua_isnil(L, 1)) {
int type = EVP_PKEY_RSA;
Expand Down Expand Up @@ -4301,7 +4301,7 @@ static int pk_new(lua_State *L) {
} else if (lua_isstring(L, 1)) {
int type = optencoding(L, 2, "*", X509_ANY|X509_PEM|X509_DER);
int pubonly = 0, prvtonly = 0;
const char *opt, *data;
const char *opt, *data, *passphrase;
size_t len;
BIO *bio;
EVP_PKEY *pub = NULL, *prvt = NULL;
Expand All @@ -4325,6 +4325,8 @@ static int pk_new(lua_State *L) {
if (!(bio = BIO_new_mem_buf((void *)data, len)))
return auxL_error(L, auxL_EOPENSSL, "pkey.new");

passphrase = luaL_optstring(L, 4, "");

if (type == X509_PEM || type == X509_ANY) {
if (!prvtonly && !pub) {
/*
Expand All @@ -4334,14 +4336,14 @@ static int pk_new(lua_State *L) {
*/
BIO_reset(bio);

if (!(pub = PEM_read_bio_PUBKEY(bio, NULL, 0, "")))
if (!(pub = PEM_read_bio_PUBKEY(bio, NULL, 0, (void*)passphrase)))
goterr = 1;
}

if (!pubonly && !prvt) {
BIO_reset(bio);

if (!(prvt = PEM_read_bio_PrivateKey(bio, NULL, 0, "")))
if (!(prvt = PEM_read_bio_PrivateKey(bio, NULL, 0, (void*)passphrase)))
goterr = 1;
}
}
Expand Down