crypto: remove toHex and toBase64 (#3300)
We marked these for deprecation in favor of the functions of the same name in encoder. Let's actually make good on that.
This commit is contained in:
Nathaniel Wesley Filardo
Marcel Stör
parent
53283d189e
commit
b4f2686567
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@ -44,80 +44,6 @@ static int crypto_sha1( lua_State* L )
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return 1;
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}
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#ifdef LUA_USE_MODULES_ENCODER
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static int call_encoder( lua_State* L, const char *function ) {
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if (lua_gettop(L) != 1) {
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luaL_error(L, "%s must have one argument", function);
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}
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lua_getglobal(L, "encoder");
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luaL_checktype(L, -1, LUA_TTABLE);
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lua_getfield(L, -1, function);
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lua_insert(L, 1); //move function below the argument
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lua_pop(L, 1); //and dump the encoder rotable from stack.
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lua_call(L,1,1); // Normal call encoder.xxx(string)
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// (errors thrown back to caller)
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return 1;
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}
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static int crypto_base64_encode (lua_State* L) {
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platform_print_deprecation_note("crypto.toBase64", "in the next version");
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return call_encoder(L, "toBase64");
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}
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static int crypto_hex_encode (lua_State* L) {
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platform_print_deprecation_note("crypto.toHex", "in the next version");
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return call_encoder(L, "toHex");
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}
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#else
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static const char* bytes64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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/**
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* encoded = crypto.toBase64(raw)
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*
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* Encodes raw binary string as base64 string.
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*/
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static int crypto_base64_encode( lua_State* L )
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{
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int len, i;
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const char* msg = luaL_checklstring(L, 1, &len);
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luaL_Buffer out;
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platform_print_deprecation_note("crypto.toBase64", "in the next version");
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luaL_buffinit(L, &out);
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for (i = 0; i < len; i += 3) {
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int a = msg[i];
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int b = (i + 1 < len) ? msg[i + 1] : 0;
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int c = (i + 2 < len) ? msg[i + 2] : 0;
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luaL_addchar(&out, bytes64[a >> 2]);
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luaL_addchar(&out, bytes64[((a & 3) << 4) | (b >> 4)]);
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luaL_addchar(&out, (i + 1 < len) ? bytes64[((b & 15) << 2) | (c >> 6)] : 61);
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luaL_addchar(&out, (i + 2 < len) ? bytes64[(c & 63)] : 61);
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}
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luaL_pushresult(&out);
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return 1;
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}
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/**
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* encoded = crypto.toHex(raw)
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*
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* Encodes raw binary string as hex string.
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*/
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static int crypto_hex_encode( lua_State* L)
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{
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int len, i;
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const char* msg = luaL_checklstring(L, 1, &len);
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luaL_Buffer out;
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platform_print_deprecation_note("crypto.toHex", "in the next version");
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luaL_buffinit(L, &out);
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for (i = 0; i < len; i++) {
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luaL_addchar(&out, crypto_hexbytes[msg[i] >> 4]);
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luaL_addchar(&out, crypto_hexbytes[msg[i] & 0xf]);
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}
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luaL_pushresult(&out);
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return 1;
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}
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#endif
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/**
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* masked = crypto.mask(message, mask)
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*
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@ -147,7 +73,7 @@ static inline int bad_mem (lua_State *L) { return luaL_error (L, "insufficient
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static inline int bad_file (lua_State *L) { return luaL_error (L, "file does not exist"); }
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/* rawdigest = crypto.hash("MD5", str)
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* strdigest = crypto.toHex(rawdigest)
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* strdigest = encoder.toHex(rawdigest)
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*/
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static int crypto_lhash (lua_State *L)
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{
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@ -169,7 +95,7 @@ static int crypto_lhash (lua_State *L)
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* sha = crypto.new_hash("MD5")
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* sha.update("Data")
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* sha.update("Data2")
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* strdigest = crypto.toHex(sha.finalize())
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* strdigest = encoder.toHex(sha.finalize())
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*/
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#define WANT_HASH 0
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@ -279,7 +205,7 @@ static sint32_t vfs_read_wrap (int fd, void *ptr, size_t len)
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}
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/* rawdigest = crypto.hash("MD5", filename)
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* strdigest = crypto.toHex(rawdigest)
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* strdigest = encoder.toHex(rawdigest)
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*/
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static int crypto_flhash (lua_State *L)
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{
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@ -313,7 +239,7 @@ static int crypto_flhash (lua_State *L)
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/* rawsignature = crypto.hmac("SHA1", str, key)
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* strsignature = crypto.toHex(rawsignature)
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* strsignature = encoder.toHex(rawsignature)
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*/
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static int crypto_lhmac (lua_State *L)
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{
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@ -400,8 +326,6 @@ LROT_END(crypto_hash_map, NULL, LROT_MASK_INDEX)
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// Module function map
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LROT_BEGIN(crypto, NULL, 0)
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LROT_FUNCENTRY( sha1, crypto_sha1 )
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LROT_FUNCENTRY( toBase64, crypto_base64_encode )
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LROT_FUNCENTRY( toHex, crypto_hex_encode )
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LROT_FUNCENTRY( mask, crypto_mask )
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LROT_FUNCENTRY( hash, crypto_lhash )
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LROT_FUNCENTRY( fhash, crypto_flhash )
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@ -191,47 +191,3 @@ The masked message, as a binary string. Use [`encoder.toHex()`](encoder.md#encod
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```lua
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print(encoder.toHex(crypto.mask("some message to obscure","X0Y7")))
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```
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## crypto.toBase64()
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Provides a Base64 representation of a (binary) Lua string.
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!!! warning
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This function is deprecated; please use instead [`encoder.toBase64()`](encoder.md#encodertobase64)
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#### Syntax
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`b64 = crypto.toBase64(binary)`
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#### Parameters
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`binary` input string to Base64 encode
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#### Return
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A Base64 encoded string.
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#### Example
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```lua
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print(crypto.toBase64(crypto.hash("sha1","abc")))
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```
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## crypto.toHex()
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Provides an ASCII hex representation of a (binary) Lua string. Each byte in the input string is represented as two hex characters in the output.
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!!! warning
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This function is deprecated; please use instead [`encoder.toHex()`](encoder.md#encodertohex)
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#### Syntax
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`hexstr = crypto.toHex(binary)`
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#### Parameters
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`binary` input string to get hex representation for
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#### Returns
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An ASCII hex string.
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#### Example
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```lua
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print(crypto.toHex(crypto.hash("sha1","abc")))
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```
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