/*
- * PDKIM - a RFC4871 (DKIM) implementation
+ * Exim - an Internet mail transport agent
*
* Copyright (C) 2016 Exim maintainers
*
* Hash interface functions
*/
-#include "../exim.h"
+#include "exim.h"
-#if !defined(DISABLE_DKIM) && !defined(PDKIM_HASH_H) /* entire file */
-#define PDKIM_HASH_H
+#if !defined(HASH_H) /* entire file */
+#define HASH_H
-#ifndef SUPPORT_TLS
-# error Need SUPPORT_TLS for DKIM
-#endif
-
-#include "crypt_ver.h"
+#include "sha_ver.h"
#include "blob.h"
-#ifdef RSA_OPENSSL
-# include <openssl/rsa.h>
-# include <openssl/ssl.h>
-# include <openssl/err.h>
-#elif defined(RSA_GNUTLS)
-# include <gnutls/gnutls.h>
-# include <gnutls/x509.h>
-#endif
-
-#ifdef SHA_GNUTLS
+#ifdef SHA_OPENSSL
+# include <openssl/sha.h>
+#elif defined SHA_GNUTLS
# include <gnutls/crypto.h>
#elif defined(SHA_GCRYPT)
# include <gcrypt.h>
#elif defined(SHA_POLARSSL)
-# include "pdkim.h"
-# include "polarssl/sha1.h"
-# include "polarssl/sha2.h"
+# include "pdkim/pdkim.h" /*XXX ugly */
+# include "pdkim/polarssl/sha1.h"
+# include "pdkim/polarssl/sha2.h"
#endif
-/* Hash context */
+
+/* Hash context for the exim_sha_* routines */
+
+typedef enum hashmethod {
+ HASH_BADTYPE,
+ HASH_SHA1,
+ HASH_SHA256,
+ 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 {
sha1_context sha1; /* SHA1 block */
sha2_context sha2; /* SHA256 block */
} u;
-#endif
-
-} hctx;
-#if defined(SHA_OPENSSL)
-# include "pdkim.h"
-#elif defined(SHA_GCRYPT)
-# include "pdkim.h"
+#elif defined(SHA_NATIVE)
+ sha1 sha1;
#endif
+} hctx;
-extern void exim_sha_init(hctx *, BOOL);
-extern void exim_sha_update(hctx *, const char *a, int);
+extern void 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 /*DISABLE_DKIM*/
+#endif
/* End of File */