Skip to content

Add input size check to update() method #19

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
VictorColomb wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Add input size check to update() method #19

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,8 @@ Create a new hash instance. `digestLength` defaults to `32`.

Update the hash with a new piece of data. `data` should be a buffer or uint8array.

The size of the data is limited to `65536000 - 64 - 216*n` bytes, where `n` is the number of Blake2b instances.

#### `var digest = hash.digest([enc])`

Digest the hash.
Expand Down
1 change: 1 addition & 0 deletions index.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,7 @@ Blake2b.prototype._realloc = function (size) {
Blake2b.prototype.update = function (input) {
assert(this.finalized === false, 'Hash instance finalized')
assert(input instanceof Uint8Array, 'input must be Uint8Array or Buffer')
assert(input.length + head <= 65536000, 'input + head must be of size 65,536,000 or less')

if (head + input.length > this._memory.length) this._realloc(head + input.length)
this._memory.set(input, head)
Expand Down