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std: fix blake3 assignment to constant

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Vexu 2020-05-04 14:45:36 +03:00
parent adc444ceeb
commit 85fd484f07
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1 changed files with 2 additions and 1 deletions
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lib/std/crypto/blake3.zig
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@ -338,7 +338,7 @@ pub const Blake3 = struct {
}
// Section 5.1.2 of the BLAKE3 spec explains this algorithm in more detail.
fn add_chunk_chaining_value(self: *Blake3, new_cv: [8]u32, total_chunks: u64) void {
fn add_chunk_chaining_value(self: *Blake3, first_cv: [8]u32, total_chunks: u64) void {
// This chunk might complete some subtrees. For each completed subtree,
// its left child will be the current top entry in the CV stack, and
// its right child will be the current value of `new_cv`. Pop each left
@ -346,6 +346,7 @@ pub const Blake3 = struct {
// with the result. After all these merges, push the final value of
// `new_cv` onto the stack. The number of completed subtrees is given
// by the number of trailing 0-bits in the new total number of chunks.
var new_cv = first_cv;
var chunk_counter = total_chunks;
while (chunk_counter & 1 == 0) {
new_cv = parent_cv(self.pop_cv(), new_cv, self.key, self.flags);