From 1499b4948559e1c3d04beb9980dec9da36f9d4af Mon Sep 17 00:00:00 2001
From: eroman <eroman@chromium.org>
Date: Wed, 26 Nov 2014 11:59:53 -0800
Subject: Add the method DeriveBits to AlgorithmImplementation.

And wire it up to WebCryptoImplementation.

BUG=399093

Review URL: https://codereview.chromium.org/744993002

Cr-Commit-Position: refs/heads/master@{#305863}
---
 content/child/webcrypto/algorithm_implementation.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'content/child/webcrypto/algorithm_implementation.h')

diff --git a/content/child/webcrypto/algorithm_implementation.h b/content/child/webcrypto/algorithm_implementation.h
index ba40d66..2726137 100644
--- a/content/child/webcrypto/algorithm_implementation.h
+++ b/content/child/webcrypto/algorithm_implementation.h
@@ -81,6 +81,12 @@ class AlgorithmImplementation {
                              blink::WebCryptoKeyUsageMask usages,
                              GenerateKeyResult* result) const;
 
+  // This method corresponds to Web Crypto's "derive bits" operation.
+  virtual Status DeriveBits(const blink::WebCryptoAlgorithm& algorithm,
+                            const blink::WebCryptoKey& base_key,
+                            unsigned int length_bits,
+                            std::vector<uint8_t>* derived_bytes) const;
+
   // -----------------------------------------------
   // Key import
   // -----------------------------------------------
-- 
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