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-rw-r--r--src/libstrongswan/crypto/mac.h4
-rw-r--r--src/libstrongswan/crypto/prfs/mac_prf.c3
-rw-r--r--src/libstrongswan/crypto/signers/mac_signer.c3
3 files changed, 5 insertions, 5 deletions
diff --git a/src/libstrongswan/crypto/mac.h b/src/libstrongswan/crypto/mac.h
index 10e789c22..4f952a2ad 100644
--- a/src/libstrongswan/crypto/mac.h
+++ b/src/libstrongswan/crypto/mac.h
@@ -62,8 +62,10 @@ struct mac_t {
* Any key length must be accepted.
*
* @param key key to set
+ * @return TRUE if key set successfully
*/
- void (*set_key) (mac_t *this, chunk_t key);
+ __attribute__((warn_unused_result))
+ bool (*set_key) (mac_t *this, chunk_t key);
/**
* Destroys a mac_t object.
diff --git a/src/libstrongswan/crypto/prfs/mac_prf.c b/src/libstrongswan/crypto/prfs/mac_prf.c
index 600dbd155..b5f6be982 100644
--- a/src/libstrongswan/crypto/prfs/mac_prf.c
+++ b/src/libstrongswan/crypto/prfs/mac_prf.c
@@ -68,8 +68,7 @@ METHOD(prf_t, get_key_size, size_t,
METHOD(prf_t, set_key, bool,
private_prf_t *this, chunk_t key)
{
- this->mac->set_key(this->mac, key);
- return TRUE;
+ return this->mac->set_key(this->mac, key);
}
METHOD(prf_t, destroy, void,
diff --git a/src/libstrongswan/crypto/signers/mac_signer.c b/src/libstrongswan/crypto/signers/mac_signer.c
index 8798bde55..7c52aa305 100644
--- a/src/libstrongswan/crypto/signers/mac_signer.c
+++ b/src/libstrongswan/crypto/signers/mac_signer.c
@@ -103,8 +103,7 @@ METHOD(signer_t, get_block_size, size_t,
METHOD(signer_t, set_key, bool,
private_signer_t *this, chunk_t key)
{
- this->mac->set_key(this->mac, key);
- return TRUE;
+ return this->mac->set_key(this->mac, key);
}
METHOD(signer_t, destroy, void,