Add typings to blake2b functions.

diff --git a/src/lib/blake2b.ts b/src/lib/blake2b.ts
index cc7a2f56c8a3b5cd95c441382614d9000d125432..41237d69ed2c1550dedaac20affe6e940d096486 100644 (file)
--- a/src/lib/blake2b.ts
+++ b/src/lib/blake2b.ts
@@ -196,7 +196,7 @@ var parameter_block = new Uint8Array([
 // Creates a BLAKE2b hashing context
 // Requires an output length between 1 and 64 bytes
 // Takes an optional Uint8Array key
-function Blake2b (outlen, key, salt, personal) {
+function Blake2b (outlen: number, key?: Uint8Array, salt?: Uint8Array, personal?: Uint8Array) {
        // zero out parameter_block before usage
        parameter_block.fill(0)
        // state, 'param block'
@@ -228,14 +228,14 @@ function Blake2b (outlen, key, salt, personal) {
        }
 }
 
-Blake2b.prototype.update = function (input) {
+Blake2b.prototype.update = function (input: Uint8Array) {
        if (!(input instanceof Uint8Array))
                throw new TypeError('input must be Uint8Array or Buffer')
        blake2bUpdate(this, input)
        return this
 }
 
-Blake2b.prototype.digest = function (out) {
+Blake2b.prototype.digest = function (out?: 'binary' | 'hex' | Uint8Array) {
        var buf = (!out || out === 'binary' || out === 'hex') ? new Uint8Array(this.outlen) : out
        if (!(buf instanceof Uint8Array))
                throw new TypeError('out must be "binary", "hex", Uint8Array, or Buffer')
@@ -250,7 +250,7 @@ Blake2b.prototype.final = Blake2b.prototype.digest
 
 // Updates a BLAKE2b streaming hash
 // Requires hash context and Uint8Array (byte array)
-function blake2bUpdate (ctx, input) {
+function blake2bUpdate (ctx, input: Uint8Array) {
        for (var i = 0; i < input.length; i++) {
                if (ctx.c === 128) { // buffer full ?
                        ctx.t += ctx.c // add counters
@@ -263,7 +263,7 @@ function blake2bUpdate (ctx, input) {
 
 // Completes a BLAKE2b streaming hash
 // Returns a Uint8Array containing the message digest
-function blake2bFinal (ctx, out) {
+function blake2bFinal (ctx, out: Uint8Array) {
        ctx.t += ctx.c // mark last block offset
 
        while (ctx.c < 128) { // fill up with zeros
@@ -277,7 +277,7 @@ function blake2bFinal (ctx, out) {
        return out
 }
 
-function hexSlice (buf) {
+function hexSlice (buf: Uint8Array) {
        var str = ''
        for (var i = 0; i < buf.length; i++) str += toHex(buf[i])
        return str
@@ -290,7 +290,7 @@ function toHex (n) {
 
 var Proto = Blake2b
 
-export default function createHash (outlen, key?, salt?, personal?, noAssert?) {
+export default function createHash (outlen: number, key?: Uint8Array, salt?: Uint8Array, personal?: Uint8Array, noAssert?: boolean) {
        if (noAssert !== true) {
                if (outlen < BYTES_MIN)
                        throw new RangeError('outlen must be at least ' + BYTES_MIN + ', was given ' + outlen)