Introduce RSAPrivateKey::SignDigest
BUG=258017
[email protected]
Review URL: https://codereview.chromium.org/18697003
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@210524 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/crypto/signature_creator_openssl.cc b/crypto/signature_creator_openssl.cc
index fa9ba07..e46d3d00 100644
--- a/crypto/signature_creator_openssl.cc
+++ b/crypto/signature_creator_openssl.cc
@@ -5,6 +5,7 @@
#include "crypto/signature_creator.h"
#include <openssl/evp.h>
+#include <openssl/rsa.h>
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
@@ -24,6 +25,27 @@
return result.release();
}
+// static
+bool SignatureCreator::Sign(RSAPrivateKey* key,
+ const uint8* data,
+ int data_len,
+ std::vector<uint8>* signature) {
+ RSA* rsa_key = EVP_PKEY_get1_RSA(key->key());
+ if (!rsa_key)
+ return false;
+ signature->resize(RSA_size(rsa_key));
+
+ unsigned int len = 0;
+ bool success = RSA_sign(NID_sha1, data, data_len, vector_as_array(signature),
+ &len, rsa_key);
+ if (!success) {
+ signature->clear();
+ return false;
+ }
+ signature->resize(len);
+ return true;
+}
+
SignatureCreator::SignatureCreator()
: sign_context_(EVP_MD_CTX_create()) {
}