ed/Odin
1
0
Fork 0
mirror of https://github.com/Ed94/Odin.git synced 2026-08-04 06:38:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

Removed context switching system from the crypto library to simplify the code

Browse Source
This commit is contained in:
zhibog
2021-11-09 16:50:13 +01:00
parent eb96f9677e
commit c24454ae70
32 changed files with 3124 additions and 7327 deletions
Download Patch File Download Diff File Expand all files Collapse all files
core/crypto/_blake2/_blake2.odin
+22 -14
View File
@@ -6,7 +6,6 @@ package _blake2
List of contributors:
zhibog, dotbmp: Initial implementation.
Jeroen van Rijn: Context design to be able to change from Odin implementation to bindings.
Implementation of the BLAKE2 hashing algorithm, as defined in <https://datatracker.ietf.org/doc/html/rfc7693> and <https://www.blake2.net/>
*/
@@ -76,7 +75,7 @@ BLAKE2B_IV := [8]u64 {
0x1f83d9abfb41bd6b, 0x5be0cd19137e2179,
}
init_odin :: proc(ctx: ^$T) {
init :: proc(ctx: ^$T) {
when T == Blake2s_Context {
block_size :: BLAKE2S_BLOCK_SIZE
} else when T == Blake2b_Context {
@@ -139,17 +138,17 @@ init_odin :: proc(ctx: ^$T) {
}
if len(ctx.cfg.key) > 0 {
copy(ctx.padded_key[:], ctx.cfg.key)
update_odin(ctx, ctx.padded_key[:])
update(ctx, ctx.padded_key[:])
ctx.is_keyed = true
}
copy(ctx.ih[:], ctx.h[:])
copy(ctx.h[:], ctx.ih[:])
if ctx.is_keyed {
update_odin(ctx, ctx.padded_key[:])
update(ctx, ctx.padded_key[:])
}
}
update_odin :: proc(ctx: ^$T, p: []byte) {
update :: proc "contextless" (ctx: ^$T, p: []byte) {
p := p
when T == Blake2s_Context {
block_size :: BLAKE2S_BLOCK_SIZE
@@ -161,7 +160,7 @@ update_odin :: proc(ctx: ^$T, p: []byte) {
if len(p) > left {
copy(ctx.x[ctx.nx:], p[:left])
p = p[left:]
blake2_blocks(ctx, ctx.x[:])
blocks(ctx, ctx.x[:])
ctx.nx = 0
}
if len(p) > block_size {
@@ -169,13 +168,22 @@ update_odin :: proc(ctx: ^$T, p: []byte) {
if n == len(p) {
n -= block_size
}
blake2_blocks(ctx, p[:n])
blocks(ctx, p[:n])
p = p[n:]
}
ctx.nx += copy(ctx.x[ctx.nx:], p)
}
blake2s_final_odin :: proc(ctx: $T, hash: []byte) {
final :: proc "contextless" (ctx: ^$T, hash: []byte) {
when T == Blake2s_Context {
blake2s_final(ctx, hash)
}
when T == Blake2b_Context {
blake2b_final(ctx, hash)
}
}
blake2s_final :: proc "contextless" (ctx: ^Blake2s_Context, hash: []byte) {
if ctx.is_keyed {
for i := 0; i < len(ctx.padded_key); i += 1 {
ctx.padded_key[i] = 0
@@ -193,7 +201,7 @@ blake2s_final_odin :: proc(ctx: $T, hash: []byte) {
ctx.f[1] = 0xffffffff
}
blake2_blocks(ctx, ctx.x[:])
blocks(ctx, ctx.x[:])
j := 0
for s, _ in ctx.h[:(ctx.size - 1) / 4 + 1] {
@@ -205,7 +213,7 @@ blake2s_final_odin :: proc(ctx: $T, hash: []byte) {
}
}
blake2b_final_odin :: proc(ctx: $T, hash: []byte) {
blake2b_final :: proc "contextless" (ctx: ^Blake2b_Context, hash: []byte) {
if ctx.is_keyed {
for i := 0; i < len(ctx.padded_key); i += 1 {
ctx.padded_key[i] = 0
@@ -223,7 +231,7 @@ blake2b_final_odin :: proc(ctx: $T, hash: []byte) {
ctx.f[1] = 0xffffffffffffffff
}
blake2_blocks(ctx, ctx.x[:])
blocks(ctx, ctx.x[:])
j := 0
for s, _ in ctx.h[:(ctx.size - 1) / 8 + 1] {
@@ -239,7 +247,7 @@ blake2b_final_odin :: proc(ctx: $T, hash: []byte) {
}
}
blake2_blocks :: proc(ctx: ^$T, p: []byte) {
blocks :: proc "contextless" (ctx: ^$T, p: []byte) {
when T == Blake2s_Context {
blake2s_blocks(ctx, p)
}
@@ -248,7 +256,7 @@ blake2_blocks :: proc(ctx: ^$T, p: []byte) {
}
}
blake2s_blocks :: #force_inline proc "contextless"(ctx: ^Blake2s_Context, p: []byte) {
blake2s_blocks :: #force_inline proc "contextless" (ctx: ^Blake2s_Context, p: []byte) {
h0, h1, h2, h3, h4, h5, h6, h7 := ctx.h[0], ctx.h[1], ctx.h[2], ctx.h[3], ctx.h[4], ctx.h[5], ctx.h[6], ctx.h[7]
p := p
for len(p) >= BLAKE2S_BLOCK_SIZE {
@@ -1404,7 +1412,7 @@ blake2s_blocks :: #force_inline proc "contextless"(ctx: ^Blake2s_Context, p: []b
ctx.h[0], ctx.h[1], ctx.h[2], ctx.h[3], ctx.h[4], ctx.h[5], ctx.h[6], ctx.h[7] = h0, h1, h2, h3, h4, h5, h6, h7
}
blake2b_blocks :: #force_inline proc "contextless"(ctx: ^Blake2b_Context, p: []byte) {
blake2b_blocks :: #force_inline proc "contextless" (ctx: ^Blake2b_Context, p: []byte) {
h0, h1, h2, h3, h4, h5, h6, h7 := ctx.h[0], ctx.h[1], ctx.h[2], ctx.h[3], ctx.h[4], ctx.h[5], ctx.h[6], ctx.h[7]
p := p
for len(p) >= BLAKE2B_BLOCK_SIZE {