lib: harden kKeyOps lookup with null prototype · nodejs/node@25d2e99

nodejs

Original file line number	Diff line number	Diff line change
`@@ -9,6 +9,7 @@ const assert = require('assert');`
`9`	`9`
`10`	`10`	`const {`
`11`	`11`	`normalizeAlgorithm,`
	`12`	`+ validateKeyOps,`
`12`	`13`	`} = require('internal/crypto/util');`
`13`	`14`
`14`	`15`	`{`
`@@ -49,3 +50,12 @@ const {`
`49`	`50`	`assert.strictEqual(normalized.name, 'ECDSA');`
`50`	`51`	`assert.strictEqual(nameReadCount, 1);`
`51`	`52`	`}`
	`53`	`+`
	`54`	`+{`
	`55`	`+for (const ops of [`
	`56`	`+['sign', 'toString', 'constructor'],`
	`57`	`+['sign', '__proto__', 'constructor'],`
	`58`	`+]) {`
	`59`	`+validateKeyOps(ops);`
	`60`	`+}`
	`61`	`+}`