diff --git a/src/util/strencodings.h b/src/util/strencodings.h
--- a/src/util/strencodings.h
+++ b/src/util/strencodings.h
@@ -53,12 +53,12 @@
  * Return true if the string is a hex number, optionally prefixed with "0x"
  */
 bool IsHexNumber(const std::string &str);
-std::vector<uint8_t> DecodeBase64(const char *p, bool *pfInvalid = nullptr);
-std::string DecodeBase64(const std::string &str);
+std::vector<uint8_t> DecodeBase64(const char *p, bool *pf_invalid = nullptr);
+std::string DecodeBase64(const std::string &str, bool *pf_invalid = nullptr);
 std::string EncodeBase64(const uint8_t *pch, size_t len);
 std::string EncodeBase64(const std::string &str);
-std::vector<uint8_t> DecodeBase32(const char *p, bool *pfInvalid = nullptr);
-std::string DecodeBase32(const std::string &str);
+std::vector<uint8_t> DecodeBase32(const char *p, bool *pf_invalid = nullptr);
+std::string DecodeBase32(const std::string &str, bool *pf_invalid = nullptr);
 std::string EncodeBase32(const uint8_t *pch, size_t len);
 std::string EncodeBase32(const std::string &str);
 
diff --git a/src/util/strencodings.cpp b/src/util/strencodings.cpp
--- a/src/util/strencodings.cpp
+++ b/src/util/strencodings.cpp
@@ -150,7 +150,7 @@
     return EncodeBase64((const uint8_t *)str.c_str(), str.size());
 }
 
-std::vector<uint8_t> DecodeBase64(const char *p, bool *pfInvalid) {
+std::vector<uint8_t> DecodeBase64(const char *p, bool *pf_invalid) {
     static const int decode64_table[256] = {
         -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
         -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
@@ -194,15 +194,15 @@
         ++p;
     }
     valid = valid && (p - e) % 4 == 0 && p - q < 4;
-    if (pfInvalid) {
-        *pfInvalid = !valid;
+    if (pf_invalid) {
+        *pf_invalid = !valid;
     }
 
     return ret;
 }
 
-std::string DecodeBase64(const std::string &str) {
-    std::vector<uint8_t> vchRet = DecodeBase64(str.c_str());
+std::string DecodeBase64(const std::string &str, bool *pf_invalid) {
+    std::vector<uint8_t> vchRet = DecodeBase64(str.c_str(), pf_invalid);
     return std::string((const char *)vchRet.data(), vchRet.size());
 }
 
@@ -222,7 +222,7 @@
     return EncodeBase32((const uint8_t *)str.c_str(), str.size());
 }
 
-std::vector<uint8_t> DecodeBase32(const char *p, bool *pfInvalid) {
+std::vector<uint8_t> DecodeBase32(const char *p, bool *pf_invalid) {
     static const int decode32_table[256] = {
         -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
         -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
@@ -266,15 +266,15 @@
         ++p;
     }
     valid = valid && (p - e) % 8 == 0 && p - q < 8;
-    if (pfInvalid) {
-        *pfInvalid = !valid;
+    if (pf_invalid) {
+        *pf_invalid = !valid;
     }
 
     return ret;
 }
 
-std::string DecodeBase32(const std::string &str) {
-    std::vector<uint8_t> vchRet = DecodeBase32(str.c_str());
+std::string DecodeBase32(const std::string &str, bool *pf_invalid) {
+    std::vector<uint8_t> vchRet = DecodeBase32(str.c_str(), pf_invalid);
     return std::string((const char *)vchRet.data(), vchRet.size());
 }