X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmanager%2Fcrypto%2Ftz-backend%2Finternals.cpp;h=5b8ad1e6c500b480a2842d554f4c23ae8664acf8;hb=4d7b002fa0e3953c7340609252c87dab916b57c0;hp=b8abe249605a4ffd539644f8c57b4d38de5d240e;hpb=a242a6468206f9eb32d8a33a064c813122215a09;p=platform%2Fcore%2Fsecurity%2Fkey-manager.git

diff --git a/src/manager/crypto/tz-backend/internals.cpp b/src/manager/crypto/tz-backend/internals.cpp
index b8abe24..5b8ad1e 100644
--- a/src/manager/crypto/tz-backend/internals.cpp
+++ b/src/manager/crypto/tz-backend/internals.cpp
@@ -113,6 +113,37 @@ tz_ec toTzEc(CKM::ElipticCurve ec)
 	}
 }
 
+tz_prf toTzPrf(CKM::KdfPrf prf)
+{
+	switch(prf) {
+	case CKM::KdfPrf::HMAC_SHA256: return PRF_HMAC_SHA256;
+	case CKM::KdfPrf::HMAC_SHA384: return PRF_HMAC_SHA384;
+	case CKM::KdfPrf::HMAC_SHA512: return PRF_HMAC_SHA512;
+	default: ThrowErr(CKM::Exc::Crypto::DataTypeNotSupported, "PRF not supported by tz-backend");
+	}
+}
+
+tz_kbkdf_mode toTzKbkdfMode(CKM::KbkdfMode mode)
+{
+	switch(mode) {
+	case CKM::KbkdfMode::COUNTER: return KBKDF_MODE_COUNTER;
+	default:
+		ThrowErr(CKM::Exc::Crypto::DataTypeNotSupported, "KBKDF mode not supported by tz-backend");
+	}
+}
+
+tz_kbkdf_ctr_loc toTzCtrLoc(CKM::KbkdfCounterLocation loc)
+{
+	switch(loc) {
+	case CKM::KbkdfCounterLocation::BEFORE_FIXED: return KBKDF_LOC_BEFORE_FIXED;
+	case CKM::KbkdfCounterLocation::AFTER_FIXED: return KBKDF_LOC_AFTER_FIXED;
+	case CKM::KbkdfCounterLocation::MIDDLE_FIXED: return KBKDF_LOC_MIDDLE_FIXED;
+	default:
+		ThrowErr(CKM::Exc::Crypto::DataTypeNotSupported,
+			"KBKDF counter location not supported by tz-backend");
+	}
+}
+
 } // namespace
 
 namespace CKM {
@@ -641,9 +672,9 @@ void deriveKBKDF(const RawBuffer &secret,
 	RawBuffer keyPwdBuf(keyPwd.begin(), keyPwd.end());
 
 	TrustZoneContext::Instance().executeKbkdf(secret,
-											  prf,
-											  mode,
-											  location,
+											  toTzPrf(prf),
+											  toTzKbkdfMode(mode),
+											  toTzCtrLoc(location),
 											  rlen,
 											  llen,
 											  noSeparator,