From 90d4d6bda8161d7fdc730f822db13a1a8639aee4 Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Sun, 21 Apr 2019 00:59:36 +0200 Subject: Backed out changeset 61bc5c52c941 luaL_buffinitsize is only available in Lua 5.2+ --- util-src/hashes.c | 21 +++++++++------------ 1 file changed, 9 insertions(+), 12 deletions(-) (limited to 'util-src') diff --git a/util-src/hashes.c b/util-src/hashes.c index 3fb849b9..4c48b26f 100644 --- a/util-src/hashes.c +++ b/util-src/hashes.c @@ -100,39 +100,36 @@ MAKE_HMAC_FUNCTION(Lhmac_sha512, EVP_sha512, SHA512_DIGEST_LENGTH, SHA512_CTX) MAKE_HMAC_FUNCTION(Lhmac_md5, EVP_md5, MD5_DIGEST_LENGTH, MD5_CTX) static int Lpbkdf2_sha1(lua_State *L) { + unsigned char out[SHA_DIGEST_LENGTH]; + size_t pass_len, salt_len; const char *pass = luaL_checklstring(L, 1, &pass_len); const unsigned char *salt = (unsigned char *)luaL_checklstring(L, 2, &salt_len); const int iter = luaL_checkinteger(L, 3); - const size_t len = luaL_optinteger(L, 4, SHA_DIGEST_LENGTH); - - luaL_Buffer b; - unsigned char *out = (unsigned char *)luaL_buffinitsize(L, &b, len); - if(PKCS5_PBKDF2_HMAC(pass, pass_len, salt, salt_len, iter, EVP_sha1(), len, out) == 0) { + if(PKCS5_PBKDF2_HMAC(pass, pass_len, salt, salt_len, iter, EVP_sha1(), SHA_DIGEST_LENGTH, out) == 0) { return luaL_error(L, "PKCS5_PBKDF2_HMAC() failed"); } - luaL_pushresultsize(&b, len); + lua_pushlstring(L, (char *)out, SHA_DIGEST_LENGTH); + return 1; } static int Lpbkdf2_sha256(lua_State *L) { + unsigned char out[SHA256_DIGEST_LENGTH]; + size_t pass_len, salt_len; const char *pass = luaL_checklstring(L, 1, &pass_len); const unsigned char *salt = (unsigned char *)luaL_checklstring(L, 2, &salt_len); const int iter = luaL_checkinteger(L, 3); - const int len = luaL_optinteger(L, 4, SHA256_DIGEST_LENGTH); - - luaL_Buffer b; - unsigned char *out = (unsigned char *)luaL_buffinitsize(L, &b, len); - if(PKCS5_PBKDF2_HMAC(pass, pass_len, salt, salt_len, iter, EVP_sha256(), len, out) == 0) { + if(PKCS5_PBKDF2_HMAC(pass, pass_len, salt, salt_len, iter, EVP_sha256(), SHA256_DIGEST_LENGTH, out) == 0) { return luaL_error(L, "PKCS5_PBKDF2_HMAC() failed"); } - luaL_pushresultsize(&b, len); + lua_pushlstring(L, (char *)out, SHA_DIGEST_LENGTH); return 1; } -- cgit v1.2.3