X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/5dd5f9ec28f304ca377c42fd7f711d6cf12b90e1..5c19dc3ae3bd8e40a9c028b0deddd50ff337692c:/OSX/libsecurity_apple_csp/lib/RSA_DSA_signature.h

diff --git a/OSX/libsecurity_apple_csp/lib/RSA_DSA_signature.h b/OSX/libsecurity_apple_csp/lib/RSA_DSA_signature.h
new file mode 100644
index 00000000..6baf03f2
--- /dev/null
+++ b/OSX/libsecurity_apple_csp/lib/RSA_DSA_signature.h
@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2000-2001,2011,2013-2014 Apple Inc. All Rights Reserved.
+ * 
+ * The contents of this file constitute Original Code as defined in and are
+ * subject to the Apple Public Source License Version 1.2 (the 'License').
+ * You may not use this file except in compliance with the License. Please obtain
+ * a copy of the License at http://www.apple.com/publicsource and read it before
+ * using this file.
+ * 
+ * This Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
+ * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
+ * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+ * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
+ * specific language governing rights and limitations under the License.
+ */
+
+
+/*
+ * RSA_DSA_signature.h - openssl-based signature classes.  
+ */
+
+#ifndef	_RSA_DSA_SIGNATURE_H_
+#define _RSA_DSA_SIGNATURE_H_
+
+#include <openssl/rsa.h>
+#include <openssl/dsa.h>
+#include <RawSigner.h>
+#include <AppleCSPSession.h>
+
+#define RSA_SIG_PADDING_DEFAULT		RSA_PKCS1_PADDING
+
+class RSASigner : public RawSigner {
+public:
+	RSASigner(
+		Allocator	&alloc,
+		AppleCSPSession &session,
+		CSSM_ALGORITHMS	digestAlg) : 
+			RawSigner(alloc, digestAlg),
+			mRsaKey(NULL),
+			mWeMallocdRsaKey(false),
+			mSession(session),
+			mPadding(RSA_SIG_PADDING_DEFAULT) { }
+			
+	~RSASigner();
+	
+	/* reusable init */
+	void signerInit(
+		const Context 	&context,
+		bool			isSigning);
+	
+
+	/* sign */
+	void sign(
+		const void 		*data, 
+		size_t 			dataLen,
+		void			*sig,	
+		size_t			*sigLen);	/* IN/OUT */
+		
+	/* verify */
+	void verify(
+		const void 	*data, 
+		size_t 			dataLen,
+		const void		*sig,			
+		size_t			sigLen);	
+		
+	/* works for both, but only used for signing */
+	size_t maxSigSize();
+
+private:
+
+	/* 
+	 * obtain key from context, validate, convert to RSA key
+	 */
+	void keyFromContext(
+		const Context 	&context);
+
+	RSA					*mRsaKey;
+	bool				mWeMallocdRsaKey;
+	AppleCSPSession		&mSession;
+	int					mPadding;		// RSA_NO_PADDING, RSA_PKCS1_PADDING
+};
+
+class DSASigner : public RawSigner {
+public:
+	DSASigner(
+		Allocator	&alloc,
+		AppleCSPSession &session,
+		CSSM_ALGORITHMS	digestAlg) : 
+			RawSigner(alloc, digestAlg),
+			mDsaKey(NULL),
+			mWeMallocdDsaKey(false),
+			mSession(session) { }
+			
+	~DSASigner();
+	
+	/* reusable init */
+	void signerInit(
+		const Context 	&context,
+		bool			isSigning);
+	
+
+	/* sign */
+	void sign(
+		const void 		*data, 
+		size_t 			dataLen,
+		void			*sig,	
+		size_t			*sigLen);	/* IN/OUT */
+		
+	/* verify */
+	void verify(
+		const void 	*data, 
+		size_t 			dataLen,
+		const void		*sig,			
+		size_t			sigLen);	
+		
+	/* works for both, but only used for signing */
+	size_t maxSigSize();
+
+private:
+
+	/* 
+	 * obtain key from context, validate, convert to DSA key
+	 */
+	void keyFromContext(
+		const Context 	&context);
+
+	DSA					*mDsaKey;
+	bool				mWeMallocdDsaKey;
+	AppleCSPSession		&mSession;
+};
+
+
+#endif	/* _RSA_DSA_SIGNATURE_H_ */