Use writev(2) when sending delivery status to the parent
[exim.git] / src / src / hash.h
index d3531ccd9251ea438eecda202bd244de3fa6f3a4..b745e6218f86b2c81d7d738a2cbf26cce3684a67 100644 (file)
 
 /* Hash context for the exim_sha_* routines */
 
+typedef enum hashmethod {
+  HASH_BADTYPE,
+  HASH_SHA1,
+
+  HASH_SHA2_256,
+  HASH_SHA2_384,
+  HASH_SHA2_512,
+
+  HASH_SHA3_224,
+  HASH_SHA3_256,
+  HASH_SHA3_384,
+  HASH_SHA3_512,
+} hashmethod;
+
 typedef struct {
-  int sha1;
-  int hashlen;
+  hashmethod   method;
+  int          hashlen;
 
 #ifdef SHA_OPENSSL
   union {
     SHA_CTX      sha1;       /* SHA1 block                                */
-    SHA256_CTX   sha2;       /* SHA256 block                              */
+    SHA256_CTX   sha2_256;   /* SHA256 or 224 block                       */
+    SHA512_CTX   sha2_512;   /* SHA512 or 384 block                       */
   } u;
 
 #elif defined(SHA_GNUTLS)
@@ -50,14 +65,16 @@ typedef struct {
     sha1_context sha1;       /* SHA1 block                                */
     sha2_context sha2;       /* SHA256 block                              */
   } u;
+
+#elif defined(SHA_NATIVE)
+  sha1 sha1;
 #endif
 
 } hctx;
 
-extern void     exim_sha_init(hctx *, BOOL);
+extern BOOL     exim_sha_init(hctx *, hashmethod);
 extern void     exim_sha_update(hctx *, const uschar *a, int);
 extern void     exim_sha_finish(hctx *, blob *);
-extern int      exim_sha_hashlen(hctx *);
 
 #endif
 /* End of File */