mirror of
https://github.com/Ed94/Odin.git
synced 2026-08-03 14:18:47 +00:00
Removed context switching system from the crypto library to simplify the code
This commit is contained in:
zhibog
+300
-497
@@ -6,7 +6,6 @@ package blake
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List of contributors:
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zhibog, dotbmp: Initial implementation.
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Jeroen van Rijn: Context design to be able to change from Odin implementation to bindings.
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Implementation of the BLAKE hashing algorithm, as defined in <https://web.archive.org/web/20190915215948/https://131002.net/blake>
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*/
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@@ -14,102 +13,59 @@ package blake
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import "core:os"
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import "core:io"
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import "../_ctx"
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/*
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Context initialization and switching between the Odin implementation and the bindings
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*/
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USE_BOTAN_LIB :: bool(#config(USE_BOTAN_LIB, false))
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@(private)
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_init_vtable :: #force_inline proc() -> ^_ctx.Hash_Context {
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ctx := _ctx._init_vtable()
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when USE_BOTAN_LIB {
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use_botan()
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} else {
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_assign_hash_vtable(ctx)
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}
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return ctx
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}
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@(private)
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_assign_hash_vtable :: #force_inline proc(ctx: ^_ctx.Hash_Context) {
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ctx.hash_bytes_28 = hash_bytes_odin_28
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ctx.hash_file_28 = hash_file_odin_28
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ctx.hash_stream_28 = hash_stream_odin_28
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ctx.hash_bytes_32 = hash_bytes_odin_32
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ctx.hash_file_32 = hash_file_odin_32
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ctx.hash_stream_32 = hash_stream_odin_32
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ctx.hash_bytes_48 = hash_bytes_odin_48
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ctx.hash_file_48 = hash_file_odin_48
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ctx.hash_stream_48 = hash_stream_odin_48
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ctx.hash_bytes_64 = hash_bytes_odin_64
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ctx.hash_file_64 = hash_file_odin_64
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ctx.hash_stream_64 = hash_stream_odin_64
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ctx.init = _init_odin
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ctx.update = _update_odin
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ctx.final = _final_odin
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}
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_hash_impl := _init_vtable()
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// use_botan does nothing, since BLAKE is not available in Botan
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@(warning="BLAKE is not provided by the Botan API. Odin implementation will be used")
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use_botan :: #force_inline proc() {
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use_odin()
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}
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// use_odin assigns the internal vtable of the hash context to use the Odin implementation
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use_odin :: #force_inline proc() {
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_assign_hash_vtable(_hash_impl)
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}
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@(private)
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_create_blake256_ctx :: #force_inline proc(is224: bool, size: _ctx.Hash_Size) {
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ctx: Blake256_Context
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ctx.is224 = is224
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_hash_impl.internal_ctx = ctx
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_hash_impl.hash_size = size
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}
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@(private)
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_create_blake512_ctx :: #force_inline proc(is384: bool, size: _ctx.Hash_Size) {
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ctx: Blake512_Context
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ctx.is384 = is384
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_hash_impl.internal_ctx = ctx
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_hash_impl.hash_size = size
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}
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/*
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High level API
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*/
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// hash_string_224 will hash the given input and return the
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// computed hash
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hash_string_224 :: proc(data: string) -> [28]byte {
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hash_string_224 :: proc "contextless" (data: string) -> [28]byte {
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return hash_bytes_224(transmute([]byte)(data))
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}
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// hash_bytes_224 will hash the given input and return the
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// computed hash
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hash_bytes_224 :: proc(data: []byte) -> [28]byte {
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_create_blake256_ctx(true, ._28)
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return _hash_impl->hash_bytes_28(data)
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hash_bytes_224 :: proc "contextless" (data: []byte) -> [28]byte {
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hash: [28]byte
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ctx: Blake256_Context
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ctx.is224 = true
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init(&ctx)
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update(&ctx, data)
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final(&ctx, hash[:])
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return hash
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}
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// hash_stream_224 will read the stream in chunks and compute a
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// hash from its contents
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hash_stream_224 :: proc(s: io.Stream) -> ([28]byte, bool) {
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_create_blake256_ctx(true, ._28)
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return _hash_impl->hash_stream_28(s)
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hash: [28]byte
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ctx: Blake256_Context
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ctx.is224 = true
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init(&ctx)
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buf := make([]byte, 512)
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defer delete(buf)
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read := 1
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for read > 0 {
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read, _ = s->impl_read(buf)
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if read > 0 {
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update(&ctx, buf[:read])
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}
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}
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final(&ctx, hash[:])
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return hash, true
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}
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// hash_file_224 will read the file provided by the given handle
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// and compute a hash
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hash_file_224 :: proc(hd: os.Handle, load_at_once := false) -> ([28]byte, bool) {
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_create_blake256_ctx(true, ._28)
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return _hash_impl->hash_file_28(hd, load_at_once)
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if !load_at_once {
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return hash_stream_224(os.stream_from_handle(hd))
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} else {
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if buf, ok := os.read_entire_file(hd); ok {
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return hash_bytes_224(buf[:]), ok
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}
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}
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return [28]byte{}, false
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}
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hash_224 :: proc {
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@@ -121,29 +77,53 @@ hash_224 :: proc {
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// hash_string_256 will hash the given input and return the
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// computed hash
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hash_string_256 :: proc(data: string) -> [32]byte {
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hash_string_256 :: proc "contextless" (data: string) -> [32]byte {
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return hash_bytes_256(transmute([]byte)(data))
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}
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// hash_bytes_256 will hash the given input and return the
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// computed hash
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hash_bytes_256 :: proc(data: []byte) -> [32]byte {
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_create_blake256_ctx(false, ._32)
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return _hash_impl->hash_bytes_32(data)
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hash_bytes_256 :: proc "contextless" (data: []byte) -> [32]byte {
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hash: [32]byte
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ctx: Blake256_Context
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ctx.is224 = false
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init(&ctx)
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update(&ctx, data)
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final(&ctx, hash[:])
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return hash
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}
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// hash_stream_256 will read the stream in chunks and compute a
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// hash from its contents
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hash_stream_256 :: proc(s: io.Stream) -> ([32]byte, bool) {
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_create_blake256_ctx(false, ._32)
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return _hash_impl->hash_stream_32(s)
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hash: [32]byte
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ctx: Blake256_Context
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ctx.is224 = false
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init(&ctx)
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buf := make([]byte, 512)
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defer delete(buf)
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read := 1
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for read > 0 {
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read, _ = s->impl_read(buf)
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if read > 0 {
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update(&ctx, buf[:read])
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}
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}
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final(&ctx, hash[:])
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return hash, true
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}
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// hash_file_256 will read the file provided by the given handle
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// and compute a hash
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hash_file_256 :: proc(hd: os.Handle, load_at_once := false) -> ([32]byte, bool) {
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_create_blake256_ctx(false, ._32)
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return _hash_impl->hash_file_32(hd, load_at_once)
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if !load_at_once {
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return hash_stream_256(os.stream_from_handle(hd))
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} else {
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if buf, ok := os.read_entire_file(hd); ok {
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return hash_bytes_256(buf[:]), ok
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}
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}
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return [32]byte{}, false
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}
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hash_256 :: proc {
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@@ -155,29 +135,53 @@ hash_256 :: proc {
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// hash_string_384 will hash the given input and return the
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// computed hash
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hash_string_384 :: proc(data: string) -> [48]byte {
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hash_string_384 :: proc "contextless" (data: string) -> [48]byte {
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return hash_bytes_384(transmute([]byte)(data))
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}
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// hash_bytes_384 will hash the given input and return the
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// computed hash
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hash_bytes_384 :: proc(data: []byte) -> [48]byte {
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_create_blake512_ctx(true, ._48)
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return _hash_impl->hash_bytes_48(data)
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hash_bytes_384 :: proc "contextless" (data: []byte) -> [48]byte {
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hash: [48]byte
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ctx: Blake512_Context
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ctx.is384 = true
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init(&ctx)
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update(&ctx, data)
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final(&ctx, hash[:])
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return hash
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}
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// hash_stream_384 will read the stream in chunks and compute a
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// hash from its contents
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hash_stream_384 :: proc(s: io.Stream) -> ([48]byte, bool) {
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_create_blake512_ctx(true, ._48)
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return _hash_impl->hash_stream_48(s)
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hash: [48]byte
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ctx: Blake512_Context
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ctx.is384 = true
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init(&ctx)
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buf := make([]byte, 512)
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defer delete(buf)
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read := 1
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for read > 0 {
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read, _ = s->impl_read(buf)
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if read > 0 {
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update(&ctx, buf[:read])
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}
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}
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final(&ctx, hash[:])
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return hash, true
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}
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// hash_file_384 will read the file provided by the given handle
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// and compute a hash
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hash_file_384 :: proc(hd: os.Handle, load_at_once := false) -> ([48]byte, bool) {
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_create_blake512_ctx(true, ._48)
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return _hash_impl->hash_file_48(hd, load_at_once)
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if !load_at_once {
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return hash_stream_384(os.stream_from_handle(hd))
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} else {
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if buf, ok := os.read_entire_file(hd); ok {
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return hash_bytes_384(buf[:]), ok
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}
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}
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return [48]byte{}, false
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}
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hash_384 :: proc {
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@@ -189,29 +193,53 @@ hash_384 :: proc {
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// hash_string_512 will hash the given input and return the
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// computed hash
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hash_string_512 :: proc(data: string) -> [64]byte {
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hash_string_512 :: proc "contextless" (data: string) -> [64]byte {
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return hash_bytes_512(transmute([]byte)(data))
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}
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// hash_bytes_512 will hash the given input and return the
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// computed hash
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hash_bytes_512 :: proc(data: []byte) -> [64]byte {
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_create_blake512_ctx(false, ._64)
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return _hash_impl->hash_bytes_64(data)
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hash_bytes_512 :: proc "contextless" (data: []byte) -> [64]byte {
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hash: [64]byte
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ctx: Blake512_Context
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ctx.is384 = false
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init(&ctx)
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update(&ctx, data)
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final(&ctx, hash[:])
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return hash
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}
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// hash_stream_512 will read the stream in chunks and compute a
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// hash from its contents
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hash_stream_512 :: proc(s: io.Stream) -> ([64]byte, bool) {
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_create_blake512_ctx(false, ._64)
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return _hash_impl->hash_stream_64(s)
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hash: [64]byte
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ctx: Blake512_Context
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ctx.is384 = false
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init(&ctx)
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buf := make([]byte, 512)
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defer delete(buf)
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read := 1
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for read > 0 {
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read, _ = s->impl_read(buf)
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if read > 0 {
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update(&ctx, buf[:read])
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}
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}
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final(&ctx, hash[:])
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return hash, true
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}
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// hash_file_512 will read the file provided by the given handle
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// and compute a hash
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hash_file_512 :: proc(hd: os.Handle, load_at_once := false) -> ([64]byte, bool) {
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_create_blake512_ctx(false, ._64)
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return _hash_impl->hash_file_64(hd, load_at_once)
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if !load_at_once {
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return hash_stream_512(os.stream_from_handle(hd))
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} else {
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if buf, ok := os.read_entire_file(hd); ok {
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return hash_bytes_512(buf[:]), ok
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}
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}
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return [64]byte{}, false
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}
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hash_512 :: proc {
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@@ -225,231 +253,188 @@ hash_512 :: proc {
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Low level API
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*/
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init :: proc(ctx: ^_ctx.Hash_Context) {
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_hash_impl->init()
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}
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update :: proc(ctx: ^_ctx.Hash_Context, data: []byte) {
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_hash_impl->update(data)
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}
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final :: proc(ctx: ^_ctx.Hash_Context, hash: []byte) {
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_hash_impl->final(hash)
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}
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hash_bytes_odin_28 :: #force_inline proc(ctx: ^_ctx.Hash_Context, data: []byte) -> [28]byte {
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hash: [28]byte
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if c, ok := ctx.internal_ctx.(Blake256_Context); ok {
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init_odin(&c)
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update_odin(&c, data)
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final_odin(&c, hash[:])
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}
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return hash
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}
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hash_stream_odin_28 :: #force_inline proc(ctx: ^_ctx.Hash_Context, fs: io.Stream) -> ([28]byte, bool) {
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hash: [28]byte
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if c, ok := ctx.internal_ctx.(Blake256_Context); ok {
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init_odin(&c)
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buf := make([]byte, 512)
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defer delete(buf)
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read := 1
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for read > 0 {
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read, _ = fs->impl_read(buf)
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if read > 0 {
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update_odin(&c, buf[:read])
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}
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init :: proc "contextless" (ctx: ^$T) {
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when T == Blake256_Context {
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if ctx.is224 {
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ctx.h[0] = 0xc1059ed8
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ctx.h[1] = 0x367cd507
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ctx.h[2] = 0x3070dd17
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ctx.h[3] = 0xf70e5939
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ctx.h[4] = 0xffc00b31
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ctx.h[5] = 0x68581511
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ctx.h[6] = 0x64f98fa7
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ctx.h[7] = 0xbefa4fa4
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} else {
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ctx.h[0] = 0x6a09e667
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ctx.h[1] = 0xbb67ae85
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ctx.h[2] = 0x3c6ef372
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ctx.h[3] = 0xa54ff53a
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ctx.h[4] = 0x510e527f
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ctx.h[5] = 0x9b05688c
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ctx.h[6] = 0x1f83d9ab
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ctx.h[7] = 0x5be0cd19
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}
|
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final_odin(&c, hash[:])
|
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return hash, true
|
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} else {
|
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return hash, false
|
||||
}
|
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}
|
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|
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hash_file_odin_28 :: #force_inline proc(ctx: ^_ctx.Hash_Context, hd: os.Handle, load_at_once := false) -> ([28]byte, bool) {
|
||||
if !load_at_once {
|
||||
return hash_stream_odin_28(ctx, os.stream_from_handle(hd))
|
||||
} else {
|
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if buf, ok := os.read_entire_file(hd); ok {
|
||||
return hash_bytes_odin_28(ctx, buf[:]), ok
|
||||
}
|
||||
}
|
||||
return [28]byte{}, false
|
||||
}
|
||||
|
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hash_bytes_odin_32 :: #force_inline proc(ctx: ^_ctx.Hash_Context, data: []byte) -> [32]byte {
|
||||
hash: [32]byte
|
||||
if c, ok := ctx.internal_ctx.(Blake256_Context); ok {
|
||||
init_odin(&c)
|
||||
update_odin(&c, data)
|
||||
final_odin(&c, hash[:])
|
||||
}
|
||||
return hash
|
||||
}
|
||||
|
||||
hash_stream_odin_32 :: #force_inline proc(ctx: ^_ctx.Hash_Context, fs: io.Stream) -> ([32]byte, bool) {
|
||||
hash: [32]byte
|
||||
if c, ok := ctx.internal_ctx.(Blake256_Context); ok {
|
||||
init_odin(&c)
|
||||
buf := make([]byte, 512)
|
||||
defer delete(buf)
|
||||
read := 1
|
||||
for read > 0 {
|
||||
read, _ = fs->impl_read(buf)
|
||||
if read > 0 {
|
||||
update_odin(&c, buf[:read])
|
||||
}
|
||||
}
|
||||
final_odin(&c, hash[:])
|
||||
return hash, true
|
||||
} else {
|
||||
return hash, false
|
||||
}
|
||||
}
|
||||
|
||||
hash_file_odin_32 :: #force_inline proc(ctx: ^_ctx.Hash_Context, hd: os.Handle, load_at_once := false) -> ([32]byte, bool) {
|
||||
if !load_at_once {
|
||||
return hash_stream_odin_32(ctx, os.stream_from_handle(hd))
|
||||
} else {
|
||||
if buf, ok := os.read_entire_file(hd); ok {
|
||||
return hash_bytes_odin_32(ctx, buf[:]), ok
|
||||
}
|
||||
}
|
||||
return [32]byte{}, false
|
||||
}
|
||||
|
||||
hash_bytes_odin_48 :: #force_inline proc(ctx: ^_ctx.Hash_Context, data: []byte) -> [48]byte {
|
||||
hash: [48]byte
|
||||
if c, ok := ctx.internal_ctx.(Blake512_Context); ok {
|
||||
init_odin(&c)
|
||||
update_odin(&c, data)
|
||||
final_odin(&c, hash[:])
|
||||
}
|
||||
return hash
|
||||
}
|
||||
|
||||
hash_stream_odin_48 :: #force_inline proc(ctx: ^_ctx.Hash_Context, fs: io.Stream) -> ([48]byte, bool) {
|
||||
hash: [48]byte
|
||||
if c, ok := ctx.internal_ctx.(Blake512_Context); ok {
|
||||
init_odin(&c)
|
||||
buf := make([]byte, 512)
|
||||
defer delete(buf)
|
||||
read := 1
|
||||
for read > 0 {
|
||||
read, _ = fs->impl_read(buf)
|
||||
if read > 0 {
|
||||
update_odin(&c, buf[:read])
|
||||
}
|
||||
}
|
||||
final_odin(&c, hash[:])
|
||||
return hash, true
|
||||
} else {
|
||||
return hash, false
|
||||
}
|
||||
}
|
||||
|
||||
hash_file_odin_48 :: #force_inline proc(ctx: ^_ctx.Hash_Context, hd: os.Handle, load_at_once := false) -> ([48]byte, bool) {
|
||||
if !load_at_once {
|
||||
return hash_stream_odin_48(ctx, os.stream_from_handle(hd))
|
||||
} else {
|
||||
if buf, ok := os.read_entire_file(hd); ok {
|
||||
return hash_bytes_odin_48(ctx, buf[:]), ok
|
||||
}
|
||||
}
|
||||
return [48]byte{}, false
|
||||
}
|
||||
|
||||
hash_bytes_odin_64 :: #force_inline proc(ctx: ^_ctx.Hash_Context, data: []byte) -> [64]byte {
|
||||
hash: [64]byte
|
||||
if c, ok := ctx.internal_ctx.(Blake512_Context); ok {
|
||||
init_odin(&c)
|
||||
update_odin(&c, data)
|
||||
final_odin(&c, hash[:])
|
||||
}
|
||||
return hash
|
||||
}
|
||||
|
||||
hash_stream_odin_64 :: #force_inline proc(ctx: ^_ctx.Hash_Context, fs: io.Stream) -> ([64]byte, bool) {
|
||||
hash: [64]byte
|
||||
if c, ok := ctx.internal_ctx.(Blake512_Context); ok {
|
||||
init_odin(&c)
|
||||
buf := make([]byte, 512)
|
||||
defer delete(buf)
|
||||
read := 1
|
||||
for read > 0 {
|
||||
read, _ = fs->impl_read(buf)
|
||||
if read > 0 {
|
||||
update_odin(&c, buf[:read])
|
||||
}
|
||||
}
|
||||
final_odin(&c, hash[:])
|
||||
return hash, true
|
||||
} else {
|
||||
return hash, false
|
||||
}
|
||||
}
|
||||
|
||||
hash_file_odin_64 :: #force_inline proc(ctx: ^_ctx.Hash_Context, hd: os.Handle, load_at_once := false) -> ([64]byte, bool) {
|
||||
if !load_at_once {
|
||||
return hash_stream_odin_64(ctx, os.stream_from_handle(hd))
|
||||
} else {
|
||||
if buf, ok := os.read_entire_file(hd); ok {
|
||||
return hash_bytes_odin_64(ctx, buf[:]), ok
|
||||
}
|
||||
}
|
||||
return [64]byte{}, false
|
||||
}
|
||||
|
||||
@(private)
|
||||
_init_odin :: #force_inline proc(ctx: ^_ctx.Hash_Context) {
|
||||
if ctx.hash_size == ._28 || ctx.hash_size == ._32 {
|
||||
_create_blake256_ctx(ctx.hash_size == ._28, ctx.hash_size)
|
||||
if c, ok := ctx.internal_ctx.(Blake256_Context); ok {
|
||||
init_odin(&c)
|
||||
}
|
||||
return
|
||||
}
|
||||
if ctx.hash_size == ._48 || ctx.hash_size == ._64 {
|
||||
_create_blake512_ctx(ctx.hash_size == ._48, ctx.hash_size)
|
||||
if c, ok := ctx.internal_ctx.(Blake512_Context); ok {
|
||||
init_odin(&c)
|
||||
} else when T == Blake512_Context {
|
||||
if ctx.is384 {
|
||||
ctx.h[0] = 0xcbbb9d5dc1059ed8
|
||||
ctx.h[1] = 0x629a292a367cd507
|
||||
ctx.h[2] = 0x9159015a3070dd17
|
||||
ctx.h[3] = 0x152fecd8f70e5939
|
||||
ctx.h[4] = 0x67332667ffc00b31
|
||||
ctx.h[5] = 0x8eb44a8768581511
|
||||
ctx.h[6] = 0xdb0c2e0d64f98fa7
|
||||
ctx.h[7] = 0x47b5481dbefa4fa4
|
||||
} else {
|
||||
ctx.h[0] = 0x6a09e667f3bcc908
|
||||
ctx.h[1] = 0xbb67ae8584caa73b
|
||||
ctx.h[2] = 0x3c6ef372fe94f82b
|
||||
ctx.h[3] = 0xa54ff53a5f1d36f1
|
||||
ctx.h[4] = 0x510e527fade682d1
|
||||
ctx.h[5] = 0x9b05688c2b3e6c1f
|
||||
ctx.h[6] = 0x1f83d9abfb41bd6b
|
||||
ctx.h[7] = 0x5be0cd19137e2179
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@(private)
|
||||
_update_odin :: #force_inline proc(ctx: ^_ctx.Hash_Context, data: []byte) {
|
||||
#partial switch ctx.hash_size {
|
||||
case ._28, ._32:
|
||||
if c, ok := ctx.internal_ctx.(Blake256_Context); ok {
|
||||
update_odin(&c, data)
|
||||
update :: proc "contextless" (ctx: ^$T, data: []byte) {
|
||||
data := data
|
||||
when T == Blake256_Context {
|
||||
if ctx.nx > 0 {
|
||||
n := copy(ctx.x[ctx.nx:], data)
|
||||
ctx.nx += n
|
||||
if ctx.nx == BLOCKSIZE_256 {
|
||||
block256(ctx, ctx.x[:])
|
||||
ctx.nx = 0
|
||||
}
|
||||
case ._48, ._64:
|
||||
if c, ok := ctx.internal_ctx.(Blake512_Context); ok {
|
||||
update_odin(&c, data)
|
||||
data = data[n:]
|
||||
}
|
||||
if len(data) >= BLOCKSIZE_256 {
|
||||
n := len(data) &~ (BLOCKSIZE_256 - 1)
|
||||
block256(ctx, data[:n])
|
||||
data = data[n:]
|
||||
}
|
||||
if len(data) > 0 {
|
||||
ctx.nx = copy(ctx.x[:], data)
|
||||
}
|
||||
} else when T == Blake512_Context {
|
||||
if ctx.nx > 0 {
|
||||
n := copy(ctx.x[ctx.nx:], data)
|
||||
ctx.nx += n
|
||||
if ctx.nx == BLOCKSIZE_512 {
|
||||
block512(ctx, ctx.x[:])
|
||||
ctx.nx = 0
|
||||
}
|
||||
data = data[n:]
|
||||
}
|
||||
if len(data) >= BLOCKSIZE_512 {
|
||||
n := len(data) &~ (BLOCKSIZE_512 - 1)
|
||||
block512(ctx, data[:n])
|
||||
data = data[n:]
|
||||
}
|
||||
if len(data) > 0 {
|
||||
ctx.nx = copy(ctx.x[:], data)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@(private)
|
||||
_final_odin :: #force_inline proc(ctx: ^_ctx.Hash_Context, hash: []byte) {
|
||||
#partial switch ctx.hash_size {
|
||||
case ._28, ._32:
|
||||
if c, ok := ctx.internal_ctx.(Blake256_Context); ok {
|
||||
final_odin(&c, hash)
|
||||
final :: proc "contextless" (ctx: ^$T, hash: []byte) {
|
||||
when T == Blake256_Context {
|
||||
tmp: [65]byte
|
||||
} else when T == Blake512_Context {
|
||||
tmp: [129]byte
|
||||
}
|
||||
nx := u64(ctx.nx)
|
||||
tmp[0] = 0x80
|
||||
length := (ctx.t + nx) << 3
|
||||
|
||||
when T == Blake256_Context {
|
||||
if nx == 55 {
|
||||
if ctx.is224 {
|
||||
write_additional(ctx, {0x80})
|
||||
} else {
|
||||
write_additional(ctx, {0x81})
|
||||
}
|
||||
case ._48, ._64:
|
||||
if c, ok := ctx.internal_ctx.(Blake512_Context); ok {
|
||||
final_odin(&c, hash)
|
||||
} else {
|
||||
if nx < 55 {
|
||||
if nx == 0 {
|
||||
ctx.nullt = true
|
||||
}
|
||||
write_additional(ctx, tmp[0 : 55 - nx])
|
||||
} else {
|
||||
write_additional(ctx, tmp[0 : 64 - nx])
|
||||
write_additional(ctx, tmp[1:56])
|
||||
ctx.nullt = true
|
||||
}
|
||||
if ctx.is224 {
|
||||
write_additional(ctx, {0x00})
|
||||
} else {
|
||||
write_additional(ctx, {0x01})
|
||||
}
|
||||
}
|
||||
|
||||
for i : uint = 0; i < 8; i += 1 {
|
||||
tmp[i] = byte(length >> (56 - 8 * i))
|
||||
}
|
||||
write_additional(ctx, tmp[0:8])
|
||||
|
||||
h := ctx.h[:]
|
||||
if ctx.is224 {
|
||||
h = h[0:7]
|
||||
}
|
||||
for s, i in h {
|
||||
hash[i * 4] = byte(s >> 24)
|
||||
hash[i * 4 + 1] = byte(s >> 16)
|
||||
hash[i * 4 + 2] = byte(s >> 8)
|
||||
hash[i * 4 + 3] = byte(s)
|
||||
}
|
||||
} else when T == Blake512_Context {
|
||||
if nx == 111 {
|
||||
if ctx.is384 {
|
||||
write_additional(ctx, {0x80})
|
||||
} else {
|
||||
write_additional(ctx, {0x81})
|
||||
}
|
||||
} else {
|
||||
if nx < 111 {
|
||||
if nx == 0 {
|
||||
ctx.nullt = true
|
||||
}
|
||||
write_additional(ctx, tmp[0 : 111 - nx])
|
||||
} else {
|
||||
write_additional(ctx, tmp[0 : 128 - nx])
|
||||
write_additional(ctx, tmp[1:112])
|
||||
ctx.nullt = true
|
||||
}
|
||||
if ctx.is384 {
|
||||
write_additional(ctx, {0x00})
|
||||
} else {
|
||||
write_additional(ctx, {0x01})
|
||||
}
|
||||
}
|
||||
|
||||
for i : uint = 0; i < 16; i += 1 {
|
||||
tmp[i] = byte(length >> (120 - 8 * i))
|
||||
}
|
||||
write_additional(ctx, tmp[0:16])
|
||||
|
||||
h := ctx.h[:]
|
||||
if ctx.is384 {
|
||||
h = h[0:6]
|
||||
}
|
||||
for s, i in h {
|
||||
hash[i * 8] = byte(s >> 56)
|
||||
hash[i * 8 + 1] = byte(s >> 48)
|
||||
hash[i * 8 + 2] = byte(s >> 40)
|
||||
hash[i * 8 + 3] = byte(s >> 32)
|
||||
hash[i * 8 + 4] = byte(s >> 24)
|
||||
hash[i * 8 + 5] = byte(s >> 16)
|
||||
hash[i * 8 + 6] = byte(s >> 8)
|
||||
hash[i * 8 + 7] = byte(s)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
BLAKE implementation
|
||||
*/
|
||||
|
||||
SIZE_224 :: 28
|
||||
SIZE_256 :: 32
|
||||
SIZE_384 :: 48
|
||||
@@ -542,8 +527,8 @@ G512 :: #force_inline proc "contextless" (a, b, c, d: u64, m: [16]u64, i, j: int
|
||||
return a, b, c, d
|
||||
}
|
||||
|
||||
block256 :: proc "contextless" (ctx: ^Blake256_Context, p: []byte) {
|
||||
i, j: int = ---, ---
|
||||
block256 :: proc "contextless" (ctx: ^Blake256_Context, p: []byte) #no_bounds_check {
|
||||
i, j: int = ---, ---
|
||||
v, m: [16]u32 = ---, ---
|
||||
p := p
|
||||
for len(p) >= BLOCKSIZE_256 {
|
||||
@@ -595,7 +580,7 @@ block256 :: proc "contextless" (ctx: ^Blake256_Context, p: []byte) {
|
||||
}
|
||||
|
||||
block512 :: proc "contextless" (ctx: ^Blake512_Context, p: []byte) #no_bounds_check {
|
||||
i, j: int = ---, ---
|
||||
i, j: int = ---, ---
|
||||
v, m: [16]u64 = ---, ---
|
||||
p := p
|
||||
for len(p) >= BLOCKSIZE_512 {
|
||||
@@ -646,189 +631,7 @@ block512 :: proc "contextless" (ctx: ^Blake512_Context, p: []byte) #no_bounds_ch
|
||||
}
|
||||
}
|
||||
|
||||
init_odin :: proc(ctx: ^$T) {
|
||||
when T == Blake256_Context {
|
||||
if ctx.is224 {
|
||||
ctx.h[0] = 0xc1059ed8
|
||||
ctx.h[1] = 0x367cd507
|
||||
ctx.h[2] = 0x3070dd17
|
||||
ctx.h[3] = 0xf70e5939
|
||||
ctx.h[4] = 0xffc00b31
|
||||
ctx.h[5] = 0x68581511
|
||||
ctx.h[6] = 0x64f98fa7
|
||||
ctx.h[7] = 0xbefa4fa4
|
||||
} else {
|
||||
ctx.h[0] = 0x6a09e667
|
||||
ctx.h[1] = 0xbb67ae85
|
||||
ctx.h[2] = 0x3c6ef372
|
||||
ctx.h[3] = 0xa54ff53a
|
||||
ctx.h[4] = 0x510e527f
|
||||
ctx.h[5] = 0x9b05688c
|
||||
ctx.h[6] = 0x1f83d9ab
|
||||
ctx.h[7] = 0x5be0cd19
|
||||
}
|
||||
} else when T == Blake512_Context {
|
||||
if ctx.is384 {
|
||||
ctx.h[0] = 0xcbbb9d5dc1059ed8
|
||||
ctx.h[1] = 0x629a292a367cd507
|
||||
ctx.h[2] = 0x9159015a3070dd17
|
||||
ctx.h[3] = 0x152fecd8f70e5939
|
||||
ctx.h[4] = 0x67332667ffc00b31
|
||||
ctx.h[5] = 0x8eb44a8768581511
|
||||
ctx.h[6] = 0xdb0c2e0d64f98fa7
|
||||
ctx.h[7] = 0x47b5481dbefa4fa4
|
||||
} else {
|
||||
ctx.h[0] = 0x6a09e667f3bcc908
|
||||
ctx.h[1] = 0xbb67ae8584caa73b
|
||||
ctx.h[2] = 0x3c6ef372fe94f82b
|
||||
ctx.h[3] = 0xa54ff53a5f1d36f1
|
||||
ctx.h[4] = 0x510e527fade682d1
|
||||
ctx.h[5] = 0x9b05688c2b3e6c1f
|
||||
ctx.h[6] = 0x1f83d9abfb41bd6b
|
||||
ctx.h[7] = 0x5be0cd19137e2179
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
update_odin :: proc(ctx: ^$T, data: []byte) {
|
||||
data := data
|
||||
when T == Blake256_Context {
|
||||
if ctx.nx > 0 {
|
||||
n := copy(ctx.x[ctx.nx:], data)
|
||||
ctx.nx += n
|
||||
if ctx.nx == BLOCKSIZE_256 {
|
||||
block256(ctx, ctx.x[:])
|
||||
ctx.nx = 0
|
||||
}
|
||||
data = data[n:]
|
||||
}
|
||||
if len(data) >= BLOCKSIZE_256 {
|
||||
n := len(data) &~ (BLOCKSIZE_256 - 1)
|
||||
block256(ctx, data[:n])
|
||||
data = data[n:]
|
||||
}
|
||||
if len(data) > 0 {
|
||||
ctx.nx = copy(ctx.x[:], data)
|
||||
}
|
||||
} else when T == Blake512_Context {
|
||||
if ctx.nx > 0 {
|
||||
n := copy(ctx.x[ctx.nx:], data)
|
||||
ctx.nx += n
|
||||
if ctx.nx == BLOCKSIZE_512 {
|
||||
block512(ctx, ctx.x[:])
|
||||
ctx.nx = 0
|
||||
}
|
||||
data = data[n:]
|
||||
}
|
||||
if len(data) >= BLOCKSIZE_512 {
|
||||
n := len(data) &~ (BLOCKSIZE_512 - 1)
|
||||
block512(ctx, data[:n])
|
||||
data = data[n:]
|
||||
}
|
||||
if len(data) > 0 {
|
||||
ctx.nx = copy(ctx.x[:], data)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
final_odin :: proc(ctx: ^$T, hash: []byte) {
|
||||
when T == Blake256_Context {
|
||||
tmp: [65]byte
|
||||
} else when T == Blake512_Context {
|
||||
tmp: [129]byte
|
||||
}
|
||||
nx := u64(ctx.nx)
|
||||
tmp[0] = 0x80
|
||||
length := (ctx.t + nx) << 3
|
||||
|
||||
when T == Blake256_Context {
|
||||
if nx == 55 {
|
||||
if ctx.is224 {
|
||||
write_additional(ctx, {0x80})
|
||||
} else {
|
||||
write_additional(ctx, {0x81})
|
||||
}
|
||||
} else {
|
||||
if nx < 55 {
|
||||
if nx == 0 {
|
||||
ctx.nullt = true
|
||||
}
|
||||
write_additional(ctx, tmp[0 : 55 - nx])
|
||||
} else {
|
||||
write_additional(ctx, tmp[0 : 64 - nx])
|
||||
write_additional(ctx, tmp[1:56])
|
||||
ctx.nullt = true
|
||||
}
|
||||
if ctx.is224 {
|
||||
write_additional(ctx, {0x00})
|
||||
} else {
|
||||
write_additional(ctx, {0x01})
|
||||
}
|
||||
}
|
||||
|
||||
for i : uint = 0; i < 8; i += 1 {
|
||||
tmp[i] = byte(length >> (56 - 8 * i))
|
||||
}
|
||||
write_additional(ctx, tmp[0:8])
|
||||
|
||||
h := ctx.h[:]
|
||||
if ctx.is224 {
|
||||
h = h[0:7]
|
||||
}
|
||||
for s, i in h {
|
||||
hash[i * 4] = byte(s >> 24)
|
||||
hash[i * 4 + 1] = byte(s >> 16)
|
||||
hash[i * 4 + 2] = byte(s >> 8)
|
||||
hash[i * 4 + 3] = byte(s)
|
||||
}
|
||||
} else when T == Blake512_Context {
|
||||
if nx == 111 {
|
||||
if ctx.is384 {
|
||||
write_additional(ctx, {0x80})
|
||||
} else {
|
||||
write_additional(ctx, {0x81})
|
||||
}
|
||||
} else {
|
||||
if nx < 111 {
|
||||
if nx == 0 {
|
||||
ctx.nullt = true
|
||||
}
|
||||
write_additional(ctx, tmp[0 : 111 - nx])
|
||||
} else {
|
||||
write_additional(ctx, tmp[0 : 128 - nx])
|
||||
write_additional(ctx, tmp[1:112])
|
||||
ctx.nullt = true
|
||||
}
|
||||
if ctx.is384 {
|
||||
write_additional(ctx, {0x00})
|
||||
} else {
|
||||
write_additional(ctx, {0x01})
|
||||
}
|
||||
}
|
||||
|
||||
for i : uint = 0; i < 16; i += 1 {
|
||||
tmp[i] = byte(length >> (120 - 8 * i))
|
||||
}
|
||||
write_additional(ctx, tmp[0:16])
|
||||
|
||||
h := ctx.h[:]
|
||||
if ctx.is384 {
|
||||
h = h[0:6]
|
||||
}
|
||||
for s, i in h {
|
||||
hash[i * 8] = byte(s >> 56)
|
||||
hash[i * 8 + 1] = byte(s >> 48)
|
||||
hash[i * 8 + 2] = byte(s >> 40)
|
||||
hash[i * 8 + 3] = byte(s >> 32)
|
||||
hash[i * 8 + 4] = byte(s >> 24)
|
||||
hash[i * 8 + 5] = byte(s >> 16)
|
||||
hash[i * 8 + 6] = byte(s >> 8)
|
||||
hash[i * 8 + 7] = byte(s)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
write_additional :: proc(ctx: ^$T, data: []byte) {
|
||||
write_additional :: proc "contextless" (ctx: ^$T, data: []byte) {
|
||||
ctx.t -= u64(len(data)) << 3
|
||||
update_odin(ctx, data)
|
||||
update(ctx, data)
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user