From: Aki Tuomi <aki.tuomi@open-xchange.com>
Date: Wed, 21 Aug 2019 10:25:33 +0000 (+0300)
Subject: lib-dcrypt: Add dcrypt_key_get_curve_public
X-Git-Tag: 2.3.8~60
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=203dac8d90b0e2eece73a97eb71f3863b80c3cc2;p=thirdparty%2Fdovecot%2Fcore.git

lib-dcrypt: Add dcrypt_key_get_curve_public

Returns name of the curve of public key
---

diff --git a/src/lib-dcrypt/dcrypt-private.h b/src/lib-dcrypt/dcrypt-private.h
index c13bc84eb5..13bfadbec7 100644
--- a/src/lib-dcrypt/dcrypt-private.h
+++ b/src/lib-dcrypt/dcrypt-private.h
@@ -169,6 +169,8 @@ struct dcrypt_vfs {
 				    enum dcrypt_key_type key_type,
 				    const ARRAY_TYPE(dcrypt_raw_key) *keys,
 				    const char **error_r);
+	bool (*key_get_curve_public)(struct dcrypt_public_key *key,
+				     const char **curve_r, const char **error_r);
 };
 
 void dcrypt_set_vfs(struct dcrypt_vfs *vfs);
diff --git a/src/lib-dcrypt/dcrypt.c b/src/lib-dcrypt/dcrypt.c
index 2db30c19ac..77a3bd0ae8 100644
--- a/src/lib-dcrypt/dcrypt.c
+++ b/src/lib-dcrypt/dcrypt.c
@@ -490,3 +490,14 @@ bool dcrypt_key_load_public_raw(struct dcrypt_public_key **key_r,
 	return dcrypt_vfs->key_load_public_raw(key_r, key_type, keys,
 					       error_r);
 }
+
+bool dcrypt_key_get_curve_public(struct dcrypt_public_key *key,
+				 const char **curve_r, const char **error_r)
+{
+	i_assert(dcrypt_vfs != NULL);
+	if (dcrypt_vfs->key_get_curve_public == NULL) {
+		*error_r = "Not implemented";
+		return FALSE;
+	}
+	return dcrypt_vfs->key_get_curve_public(key, curve_r, error_r);
+}
diff --git a/src/lib-dcrypt/dcrypt.h b/src/lib-dcrypt/dcrypt.h
index da20496bff..a8b4588b35 100644
--- a/src/lib-dcrypt/dcrypt.h
+++ b/src/lib-dcrypt/dcrypt.h
@@ -304,6 +304,10 @@ bool dcrypt_key_load_public_raw(struct dcrypt_public_key **key_r,
 				const ARRAY_TYPE(dcrypt_raw_key) *keys,
 				const char **error_r);
 
+/* for ECC only - return textual name or OID of used curve */
+bool dcrypt_key_get_curve_public(struct dcrypt_public_key *key,
+				 const char **curve_r, const char **error_r);
+
 bool dcrypt_key_string_get_info(const char *key_data,
 				enum dcrypt_key_format *format_r,
 				enum dcrypt_key_version *version_r,