NSEC3: add KNOT_NSEC3_ECOMPUTE_HASH error code

src/common/errcode.c

@@ -172,5 +172,8 @@ const error_table_t knot_error_msgs[] = {
 	{ KNOT_DNSSEC_EDECODE_RAW_SIGNATURE, "Cannot decode the raw signature." },
 	{ KNOT_DNSSEC_ESIGN, "Cannot create the signature." },
 
+	/* NSEC3 errors. */
+	{ KNOT_NSEC3_ECOMPUTE_HASH, "Cannot compute NSEC3 hash." },
+
 	{ KNOT_ERROR, 0 } /* Terminator */
 };

src/common/errcode.h

@@ -190,7 +190,10 @@ enum knot_error {
 	KNOT_DNSSEC_ECREATE_DIGEST_CONTEXT,
 	KNOT_DNSSEC_EUNEXPECTED_SIGNATURE_SIZE,
 	KNOT_DNSSEC_EDECODE_RAW_SIGNATURE,
-	KNOT_DNSSEC_ESIGN
+	KNOT_DNSSEC_ESIGN,
+
+	/* NSEC3 errors. */
+	KNOT_NSEC3_ECOMPUTE_HASH
 };
 
 /*! \brief Table linking error messages to error codes. */