Add const to a few signature methods

2 files changed, 8 insertions, 8 deletions

diff --git a/poppler/SignatureHandler.cc b/poppler/SignatureHandler.cc
index 94240ef3..e28853e5 100644
--- a/poppler/SignatureHandler.cc
+++ b/poppler/SignatureHandler.cc
@@ -520,7 +520,7 @@ unsigned int SignatureHandler::digestLength(HashAlgorithm digestAlgId)
     }
 }
 
-std::string SignatureHandler::getSignerName()
+std::string SignatureHandler::getSignerName() const
 {
     if (!NSS_IsInitialized()) {
         return {};
@@ -553,7 +553,7 @@ std::string SignatureHandler::getSignerName()
     return name;
 }
 
-std::string SignatureHandler::getSignerSubjectDN()
+std::string SignatureHandler::getSignerSubjectDN() const
 {
     if (!signing_cert && !CMSSignerInfo) {
         return {};
@@ -575,7 +575,7 @@ std::string SignatureHandler::getSignerSubjectDN()
     return activeCert->subjectName;
 }
 
-HashAlgorithm SignatureHandler::getHashAlgorithm()
+HashAlgorithm SignatureHandler::getHashAlgorithm() const
 {
     if (hash_context && hash_context->hashobj) {
         return ConvertHashTypeFromNss(hash_context->hashobj->type);
@@ -583,7 +583,7 @@ HashAlgorithm SignatureHandler::getHashAlgorithm()
     return HashAlgorithm::Unknown;
 }
 
-time_t SignatureHandler::getSigningTime()
+time_t SignatureHandler::getSigningTime() const
 {
     PRTime sTime; // time in microseconds since the epoch
 
diff --git a/poppler/SignatureHandler.h b/poppler/SignatureHandler.h
index 218000c4..9cf701f2 100644
--- a/poppler/SignatureHandler.h
+++ b/poppler/SignatureHandler.h
@@ -49,10 +49,10 @@ public:
     SignatureHandler(unsigned char *p7, int p7_length);
     SignatureHandler(const char *certNickname, HashAlgorithm digestAlgTag);
     ~SignatureHandler();
-    time_t getSigningTime();
-    std::string getSignerName();
-    std::string getSignerSubjectDN();
-    HashAlgorithm getHashAlgorithm();
+    time_t getSigningTime() const;
+    std::string getSignerName() const;
+    std::string getSignerSubjectDN() const;
+    HashAlgorithm getHashAlgorithm() const;
     void updateHash(unsigned char *data_block, int data_len);
     void restartHash();
     SignatureValidationStatus validateSignature();