1 // Copyright 2021 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 15 #include "pw_crypto/sha256.h" 16 #include "pw_status/status.h" 17 18 namespace pw::crypto::sha256::backend { 19 20 namespace { 21 ErrorKind g_injected_error = ErrorKind::kNone; 22 } // namespace 23 InjectError(const ErrorKind err)24void InjectError(const ErrorKind err) { g_injected_error = err; } 25 DoInit(NativeSha256Context &)26Status DoInit(NativeSha256Context&) { 27 return (g_injected_error == ErrorKind::kInit) ? Status::Internal() 28 : OkStatus(); 29 } 30 DoUpdate(NativeSha256Context &,ConstByteSpan)31Status DoUpdate(NativeSha256Context&, ConstByteSpan) { 32 return (g_injected_error == ErrorKind::kUpdate) ? Status::Internal() 33 : OkStatus(); 34 } 35 DoFinal(NativeSha256Context &,ByteSpan)36Status DoFinal(NativeSha256Context&, ByteSpan) { 37 return (g_injected_error == ErrorKind::kFinal) ? Status::Internal() 38 : OkStatus(); 39 } 40 41 } // namespace pw::crypto::sha256::backend 42