diff --git a/Identity.cpp b/Identity.cpp
index fb45764d..e6bf34bf 100644
--- a/Identity.cpp
+++ b/Identity.cpp
@@ -103,6 +103,8 @@ namespace data
 					break;
 				}	
 				case SIGNING_KEY_TYPE_GOSTR3410_A_GOSTR3411:
+				case SIGNING_KEY_TYPE_GOSTR3410_B_GOSTR3411:
+				case SIGNING_KEY_TYPE_GOSTR3410_C_GOSTR3411:	
 				{	
 					size_t padding = 128 - i2p::crypto::GOSTR3410_PUBLIC_KEY_LENGTH; // 64 = 128 - 64
 					RAND_bytes (m_StandardIdentity.signingKey, padding);
@@ -382,7 +384,19 @@ namespace data
 				size_t padding =  128 - i2p::crypto::GOSTR3410_PUBLIC_KEY_LENGTH; // 64 = 128 - 64
 				UpdateVerifier (new i2p::crypto::GOSTR3410Verifier (i2p::crypto::eGOSTR3410CryptoProA, m_StandardIdentity.signingKey + padding));
 				break;
-			}		
+			}
+			case SIGNING_KEY_TYPE_GOSTR3410_B_GOSTR3411:
+			{	
+				size_t padding =  128 - i2p::crypto::GOSTR3410_PUBLIC_KEY_LENGTH; // 64 = 128 - 64
+				UpdateVerifier (new i2p::crypto::GOSTR3410Verifier (i2p::crypto::eGOSTR3410CryptoProB, m_StandardIdentity.signingKey + padding));
+				break;
+			}	
+			case SIGNING_KEY_TYPE_GOSTR3410_C_GOSTR3411:
+			{	
+				size_t padding =  128 - i2p::crypto::GOSTR3410_PUBLIC_KEY_LENGTH; // 64 = 128 - 64
+				UpdateVerifier (new i2p::crypto::GOSTR3410Verifier (i2p::crypto::eGOSTR3410CryptoProC, m_StandardIdentity.signingKey + padding));
+				break;
+			}	
 			default:
 				LogPrint (eLogError, "Identity: Signing key type ", (int)keyType, " is not supported");
 		}			
@@ -527,6 +541,12 @@ namespace data
 			case SIGNING_KEY_TYPE_GOSTR3410_A_GOSTR3411:
 				m_Signer.reset (new i2p::crypto::GOSTR3410Signer (i2p::crypto::eGOSTR3410CryptoProA, m_SigningPrivateKey));
 			break;	
+			case SIGNING_KEY_TYPE_GOSTR3410_B_GOSTR3411:
+				m_Signer.reset (new i2p::crypto::GOSTR3410Signer (i2p::crypto::eGOSTR3410CryptoProB, m_SigningPrivateKey));
+			break;		
+			case SIGNING_KEY_TYPE_GOSTR3410_C_GOSTR3411:
+				m_Signer.reset (new i2p::crypto::GOSTR3410Signer (i2p::crypto::eGOSTR3410CryptoProC, m_SigningPrivateKey));
+			break;		
 			default:
 				LogPrint (eLogError, "Identity: Signing key type ", (int)m_Public->GetSigningKeyType (), " is not supported");
 		}
@@ -565,6 +585,12 @@ namespace data
 				case SIGNING_KEY_TYPE_GOSTR3410_A_GOSTR3411:
 					i2p::crypto::CreateGOSTR3410RandomKeys (i2p::crypto::eGOSTR3410CryptoProA, keys.m_SigningPrivateKey, signingPublicKey);
 				break;	
+				case SIGNING_KEY_TYPE_GOSTR3410_B_GOSTR3411:
+					i2p::crypto::CreateGOSTR3410RandomKeys (i2p::crypto::eGOSTR3410CryptoProB, keys.m_SigningPrivateKey, signingPublicKey);
+				break;	
+				case SIGNING_KEY_TYPE_GOSTR3410_C_GOSTR3411:
+					i2p::crypto::CreateGOSTR3410RandomKeys (i2p::crypto::eGOSTR3410CryptoProC, keys.m_SigningPrivateKey, signingPublicKey);
+				break;		
 				default:
 					LogPrint (eLogError, "Identity: Signing key type ", (int)type, " is not supported. Create DSA-SHA1");
 					return PrivateKeys (i2p::data::CreateRandomKeys ()); // DSA-SHA1
diff --git a/Identity.h b/Identity.h
index 5fbf1675..479fd5d1 100644
--- a/Identity.h
+++ b/Identity.h
@@ -62,6 +62,8 @@ namespace data
 	const uint16_t SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519 = 7;
 	// following signature type should never appear in netid=2
 	const uint16_t SIGNING_KEY_TYPE_GOSTR3410_A_GOSTR3411 = 65280; // approved by FSB
+	const uint16_t SIGNING_KEY_TYPE_GOSTR3410_B_GOSTR3411 = 65281;
+	const uint16_t SIGNING_KEY_TYPE_GOSTR3410_C_GOSTR3411 = 65282;
 	
 	typedef uint16_t SigningKeyType;
 	typedef uint16_t CryptoKeyType;