Prepare to provide X509_SIG_get{0,m}.

ok beck jsing

2 files changed, 28 insertions, 2 deletions

diff --git a/src/lib/libcrypto/asn1/x_sig.c b/src/lib/libcrypto/asn1/x_sig.c
index 702bc40e55..dc3af45f6d 100644
--- a/src/lib/libcrypto/asn1/x_sig.c
+++ b/src/lib/libcrypto/asn1/x_sig.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: x_sig.c,v 1.11 2015/02/11 04:00:39 jsing Exp $ */
+/* $OpenBSD: x_sig.c,v 1.12 2021/10/23 11:41:50 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -108,3 +108,22 @@ X509_SIG_free(X509_SIG *a)
 {
         ASN1_item_free((ASN1_VALUE *)a, &X509_SIG_it);
 }
+
+void
+X509_SIG_get0(const X509_SIG *sig, const X509_ALGOR **palg,
+    const ASN1_OCTET_STRING **pdigest)
+{
+        if (palg != NULL)
+                *palg = sig->algor;
+        if (pdigest != NULL)
+                *pdigest = sig->digest;
+}
+
+void
+X509_SIG_getm(X509_SIG *sig, X509_ALGOR **palg, ASN1_OCTET_STRING **pdigest)
+{
+        if (palg != NULL)
+                *palg = sig->algor;
+        if (pdigest != NULL)
+                *pdigest = sig->digest;
+}
diff --git a/src/lib/libcrypto/x509/x509.h b/src/lib/libcrypto/x509/x509.h
index 0d3b3abebc..e8383d717c 100644
--- a/src/lib/libcrypto/x509/x509.h
+++ b/src/lib/libcrypto/x509/x509.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: x509.h,v 1.79 2021/10/22 16:42:13 tb Exp $ */
+/* $OpenBSD: x509.h,v 1.80 2021/10/23 11:41:50 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -829,6 +829,13 @@ void X509_SIG_free(X509_SIG *a);
 X509_SIG *d2i_X509_SIG(X509_SIG **a, const unsigned char **in, long len);
 int i2d_X509_SIG(X509_SIG *a, unsigned char **out);
 extern const ASN1_ITEM X509_SIG_it;
+#if defined(LIBRESSL_NEW_API)
+void X509_SIG_get0(const X509_SIG *sig, const X509_ALGOR **palg,
+    const ASN1_OCTET_STRING **pdigest);
+void X509_SIG_getm(X509_SIG *sig, X509_ALGOR **palg,
+    ASN1_OCTET_STRING **pdigest);
+#endif
+
 X509_REQ_INFO *X509_REQ_INFO_new(void);
 void X509_REQ_INFO_free(X509_REQ_INFO *a);
 X509_REQ_INFO *d2i_X509_REQ_INFO(X509_REQ_INFO **a, const unsigned char **in, long len);