2 files changed, 2 insertions, 2 deletions

diff --git a/src/include/gnunet_crypto_lib.h b/src/include/gnunet_crypto_lib.h
index 07cade0e3..5dc5b60d7 100644
--- a/src/include/gnunet_crypto_lib.h
+++ b/src/include/gnunet_crypto_lib.h
@@ -2105,7 +2105,7 @@ GNUNET_CRYPTO_rsa_signature_dup (const struct GNUNET_CRYPTO_RsaSignature *sig);
  * @return unblinded signature on success, NULL if RSA key is bad or malicious.
  */
 struct GNUNET_CRYPTO_RsaSignature *
-GNUNET_CRYPTO_rsa_unblind (struct GNUNET_CRYPTO_RsaSignature *sig,
+GNUNET_CRYPTO_rsa_unblind (const struct GNUNET_CRYPTO_RsaSignature *sig,
                            const struct GNUNET_CRYPTO_RsaBlindingKeySecret *bks,
                            struct GNUNET_CRYPTO_RsaPublicKey *pkey);
 
diff --git a/src/util/crypto_rsa.c b/src/util/crypto_rsa.c
index 7a108c21b..a985d8e59 100644
--- a/src/util/crypto_rsa.c
+++ b/src/util/crypto_rsa.c
@@ -1046,7 +1046,7 @@ GNUNET_CRYPTO_rsa_public_key_dup (const struct GNUNET_CRYPTO_RsaPublicKey *key)
  * @return unblinded signature on success, NULL if RSA key is bad or malicious.
  */
 struct GNUNET_CRYPTO_RsaSignature *
-GNUNET_CRYPTO_rsa_unblind (struct GNUNET_CRYPTO_RsaSignature *sig,
+GNUNET_CRYPTO_rsa_unblind (const struct GNUNET_CRYPTO_RsaSignature *sig,
                            const struct GNUNET_CRYPTO_RsaBlindingKeySecret *bks,
                            struct GNUNET_CRYPTO_RsaPublicKey *pkey)
 {