DKIM: replace SHA and RSA routines from gnutls, under earlier library

[exim.git] / src / src / pdkim / rsa.h

diff --git a/src/src/pdkim/rsa.h b/src/src/pdkim/rsa.h
new file mode 100644 (file)
index 0000000..32631fd
--- /dev/null
+++ b/src/src/pdkim/rsa.h
@@ -0,0 +1,81 @@
+/*
+ *  PDKIM - a RFC4871 (DKIM) implementation
+ *
+ *  Copyright (C) 2016  Exim maintainers
+ *
+ *  RSA signing/verification interface
+ */
+
+#include "../exim.h"
+
+#ifndef DISABLE_DKIM   /* entire file */
+
+#include "crypt_ver.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>
+#  include <gnutls/abstract.h>
+#elif defined(RSA_GCRYPT)
+#  include <gcrypt.h>
+#  include <libtasn1.h>
+#endif
+
+#include "blob.h"
+
+
+#ifdef RSA_OPENSSL
+
+typedef struct {
+  RSA * rsa;
+} es_ctx;
+
+typedef struct {
+  RSA * rsa;
+} ev_ctx;
+
+#elif defined(RSA_GNUTLS)
+
+typedef struct {
+  gnutls_x509_privkey_t rsa;
+} es_ctx;
+
+typedef struct {
+  gnutls_pubkey_t rsa;
+} ev_ctx;
+
+#elif defined(RSA_GCRYPT)
+
+typedef struct {
+  gcry_mpi_t n;
+  gcry_mpi_t e;
+  gcry_mpi_t d;
+  gcry_mpi_t p;
+  gcry_mpi_t q;
+  gcry_mpi_t dp;
+  gcry_mpi_t dq;
+  gcry_mpi_t qp;
+} es_ctx;
+
+typedef struct {
+  gcry_mpi_t n;
+  gcry_mpi_t e;
+} ev_ctx;
+
+#endif
+
+
+extern void exim_rsa_init(void);
+extern blob * exim_rsa_data_append(blob *, int *, uschar *);
+
+extern const uschar * exim_rsa_signing_init(uschar *, es_ctx *);
+extern const uschar * exim_rsa_sign(es_ctx *, BOOL, blob *, blob *);
+extern const uschar * exim_rsa_verify_init(blob *, ev_ctx *);
+extern const uschar * exim_rsa_verify(ev_ctx *, BOOL, blob *, blob *);
+
+#endif /*DISABLE_DKIM*/
+/* End of File */