summaryrefslogtreecommitdiffstats
path: root/CryptoPP/pkcspad.h
diff options
context:
space:
mode:
authormadmaxoft@gmail.com <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6>2012-08-30 23:06:13 +0200
committermadmaxoft@gmail.com <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6>2012-08-30 23:06:13 +0200
commit539364846a89987ac2679988653f50332cb91d26 (patch)
treef1695473c1f493a19c5fbdb70f7f1faccf99d7f3 /CryptoPP/pkcspad.h
parentUpdated to V6 - "Stop" and "Progress report" functionality (diff)
downloadcuberite-539364846a89987ac2679988653f50332cb91d26.tar
cuberite-539364846a89987ac2679988653f50332cb91d26.tar.gz
cuberite-539364846a89987ac2679988653f50332cb91d26.tar.bz2
cuberite-539364846a89987ac2679988653f50332cb91d26.tar.lz
cuberite-539364846a89987ac2679988653f50332cb91d26.tar.xz
cuberite-539364846a89987ac2679988653f50332cb91d26.tar.zst
cuberite-539364846a89987ac2679988653f50332cb91d26.zip
Diffstat (limited to 'CryptoPP/pkcspad.h')
-rw-r--r--CryptoPP/pkcspad.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/CryptoPP/pkcspad.h b/CryptoPP/pkcspad.h
new file mode 100644
index 000000000..6371c7698
--- /dev/null
+++ b/CryptoPP/pkcspad.h
@@ -0,0 +1,94 @@
+#ifndef CRYPTOPP_PKCSPAD_H
+#define CRYPTOPP_PKCSPAD_H
+
+#include "cryptlib.h"
+#include "pubkey.h"
+
+#ifdef CRYPTOPP_IS_DLL
+#include "sha.h"
+#endif
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! <a href="http://www.weidai.com/scan-mirror/ca.html#cem_PKCS1-1.5">EME-PKCS1-v1_5</a>
+class PKCS_EncryptionPaddingScheme : public PK_EncryptionMessageEncodingMethod
+{
+public:
+ static const char * StaticAlgorithmName() {return "EME-PKCS1-v1_5";}
+
+ size_t MaxUnpaddedLength(size_t paddedLength) const;
+ void Pad(RandomNumberGenerator &rng, const byte *raw, size_t inputLength, byte *padded, size_t paddedLength, const NameValuePairs &parameters) const;
+ DecodingResult Unpad(const byte *padded, size_t paddedLength, byte *raw, const NameValuePairs &parameters) const;
+};
+
+template <class H> class PKCS_DigestDecoration
+{
+public:
+ static const byte decoration[];
+ static const unsigned int length;
+};
+
+// PKCS_DigestDecoration can be instantiated with the following
+// classes as specified in PKCS#1 v2.0 and P1363a
+class SHA1;
+class RIPEMD160;
+class Tiger;
+class SHA224;
+class SHA256;
+class SHA384;
+class SHA512;
+namespace Weak1 {
+class MD2;
+class MD5;
+}
+// end of list
+
+#ifdef CRYPTOPP_IS_DLL
+CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA1>;
+CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA224>;
+CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA256>;
+CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA384>;
+CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA512>;
+#endif
+
+//! <a href="http://www.weidai.com/scan-mirror/sig.html#sem_PKCS1-1.5">EMSA-PKCS1-v1_5</a>
+class CRYPTOPP_DLL PKCS1v15_SignatureMessageEncodingMethod : public PK_DeterministicSignatureMessageEncodingMethod
+{
+public:
+ static const char * CRYPTOPP_API StaticAlgorithmName() {return "EMSA-PKCS1-v1_5";}
+
+ size_t MinRepresentativeBitLength(size_t hashIdentifierSize, size_t digestSize) const
+ {return 8 * (digestSize + hashIdentifierSize + 10);}
+
+ void ComputeMessageRepresentative(RandomNumberGenerator &rng,
+ const byte *recoverableMessage, size_t recoverableMessageLength,
+ HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty,
+ byte *representative, size_t representativeBitLength) const;
+
+ struct HashIdentifierLookup
+ {
+ template <class H> struct HashIdentifierLookup2
+ {
+ static HashIdentifier Lookup()
+ {
+ return HashIdentifier(PKCS_DigestDecoration<H>::decoration, PKCS_DigestDecoration<H>::length);
+ }
+ };
+ };
+};
+
+//! PKCS #1 version 1.5, for use with RSAES and RSASS
+/*! Only the following hash functions are supported by this signature standard:
+ \dontinclude pkcspad.h
+ \skip can be instantiated
+ \until end of list
+*/
+struct PKCS1v15 : public SignatureStandard, public EncryptionStandard
+{
+ typedef PKCS_EncryptionPaddingScheme EncryptionMessageEncodingMethod;
+ typedef PKCS1v15_SignatureMessageEncodingMethod SignatureMessageEncodingMethod;
+};
+
+NAMESPACE_END
+
+#endif