(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

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 */