(DSA_MIN_P_BITS): New constant (was DSA_MINIMUM_BITS).

(DSA_Q_OCTETS, DSA_Q_BITS): New constants.
(dsa_keypair_from_sexp_alist, dsa_keypair_from_sexp): New
prototypes.

Rev: src/nettle/dsa.h:1.4

diff --git a/dsa.h b/dsa.h
index 70641163bfff260de6c9f631a6dc38b7fdc227c0..5416b77fc656fbff8b75fa4aeef9f3f901befd19 100644 (file)
--- a/dsa.h
+++ b/dsa.h
@@ -34,7 +34,9 @@
 /* For nettle_random_func */
 #include "nettle-meta.h"
 
-#define DSA_MINIMUM_BITS 512
+#define DSA_MIN_P_BITS 512
+#define DSA_Q_OCTETS 20
+#define DSA_Q_BITS 160
 
 struct dsa_public_key
 {  
@@ -140,4 +142,23 @@ dsa_generate_keypair(struct dsa_public_key *pub,
                      * NIS key sizes. */
                     unsigned bits);
 
+struct sexp_iterator;
+
+int
+dsa_keypair_from_sexp_alist(struct dsa_public_key *pub,
+                           struct dsa_private_key *priv,
+                           unsigned limit,
+                           struct sexp_iterator *i);
+
+/* If PRIV is NULL, expect a public-key expression. If PUB is NULL,
+ * expect a private key expression and ignore the parts not needed for
+ * the public key. */
+/* Keys must be initialized before calling this function, as usual. */
+int
+dsa_keypair_from_sexp(struct dsa_public_key *pub,
+                     struct dsa_private_key *priv,
+                     unsigned limit,
+                     unsigned length, const uint8_t *expr);
+
+
 #endif /* NETTLE_DSA_H_INCLUDED */