New aliases sha512_224_ctx and sha512_256_cxt, for the sha512_ctx struct tag.

ChangeLog

+2014-04-22  Niels Möller  <nisse@lysator.liu.se>
+
+	* sha2.h (sha512_224_ctx, sha512_256_ctx): New aliases for the
+	sha512_ctx struct tag.
+
 2014-04-17  Niels Möller  <nisse@lysator.liu.se>
 
 	* examples/Makefile.in (SOURCES): Deleted next-prime.c (forgotten

sha2.h

@@ -167,25 +167,29 @@ sha384_digest(struct sha512_ctx *ctx,
 
 #define SHA512_224_DIGEST_SIZE 28
 #define SHA512_224_DATA_SIZE SHA512_DATA_SIZE
+#define sha512_224_ctx sha512_ctx
+
 void
-sha512_224_init(struct sha512_ctx *ctx);
+sha512_224_init(struct sha512_224_ctx *ctx);
 
 #define sha512_224_update nettle_sha512_update
 
 void
-sha512_224_digest(struct sha512_ctx *ctx,
+sha512_224_digest(struct sha512_224_ctx *ctx,
                   size_t length,
                   uint8_t *digest);
 
 #define SHA512_256_DIGEST_SIZE 32
 #define SHA512_256_DATA_SIZE SHA512_DATA_SIZE
+#define sha512_256_ctx sha512_ctx
+
 void
-sha512_256_init(struct sha512_ctx *ctx);
+sha512_256_init(struct sha512_256_ctx *ctx);
 
 #define sha512_256_update nettle_sha512_update
 
 void
-sha512_256_digest(struct sha512_ctx *ctx,
+sha512_256_digest(struct sha512_256_ctx *ctx,
                   size_t length,
                   uint8_t *digest);
   

sha512.c

@@ -249,7 +249,7 @@ sha384_digest(struct sha512_ctx *ctx,
 
 /* sha-512/224 variant. */
 void
-sha512_224_init(struct sha512_ctx *ctx)
+sha512_224_init(struct sha512_224_ctx *ctx)
 {
   static const uint64_t H0[_SHA512_DIGEST_LENGTH] =
   {
@@ -269,7 +269,7 @@ sha512_224_init(struct sha512_ctx *ctx)
 }
 
 void
-sha512_224_digest(struct sha512_ctx *ctx,
+sha512_224_digest(struct sha512_224_ctx *ctx,
 	      size_t length,
 	      uint8_t *digest)
 {
@@ -282,7 +282,7 @@ sha512_224_digest(struct sha512_ctx *ctx,
 
 /* sha-512/256 variant. */
 void
-sha512_256_init(struct sha512_ctx *ctx)
+sha512_256_init(struct sha512_256_ctx *ctx)
 {
   static const uint64_t H0[_SHA512_DIGEST_LENGTH] =
     {
@@ -302,7 +302,7 @@ sha512_256_init(struct sha512_ctx *ctx)
 }
 
 void
-sha512_256_digest(struct sha512_ctx *ctx,
+sha512_256_digest(struct sha512_256_ctx *ctx,
 	      size_t length,
 	      uint8_t *digest)
 {