add CFB mode FIPS variant

git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@165 57ff6487-cd31-0410-9ec3-f628ee90f5f0

1 files changed, 15 insertions, 0 deletions

diff --git a/modes.h b/modes.h
index ed3f1b0..66b6638 100644
--- a/modes.h
+++ b/modes.h
@@ -328,6 +328,21 @@ struct CFB_Mode_ExternalCipher : public CipherModeDocumentation
 	typedef CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, CFB_DecryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > Decryption;
 };
 
+//! CFB mode FIPS variant, requiring full block plaintext according to FIPS 800-38A
+template <class CIPHER>
+struct CFB_FIPS_Mode : public CipherModeDocumentation
+{
+	typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Encryption, ConcretePolicyHolder<Empty, CFB_RequireFullDataBlocks<CFB_EncryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > > Encryption;
+	typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Encryption, ConcretePolicyHolder<Empty, CFB_RequireFullDataBlocks<CFB_DecryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > > Decryption;
+};
+
+//! CFB mode FIPS variant, requiring full block plaintext according to FIPS 800-38A, external cipher
+struct CFB_FIPS_Mode_ExternalCipher : public CipherModeDocumentation
+{
+	typedef CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, CFB_RequireFullDataBlocks<CFB_EncryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > > Encryption;
+	typedef CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, CFB_RequireFullDataBlocks<CFB_DecryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > > Decryption;
+};
+
 CRYPTOPP_DLL_TEMPLATE_CLASS AdditiveCipherTemplate<AbstractPolicyHolder<AdditiveCipherAbstractPolicy, OFB_ModePolicy> >;
 
 //! OFB mode