1 files changed, 28 insertions, 0 deletions
diff --git a/vendor/security-framework-sys/src/digest_transform.rs b/vendor/security-framework-sys/src/digest_transform.rs
new file mode 100644
index 00000000..fdcf6ee2
--- /dev/null
+++ b/vendor/security-framework-sys/src/digest_transform.rs
@@ -0,0 +1,28 @@
+use core_foundation_sys::base::{CFIndex, CFTypeRef};
+use core_foundation_sys::error::CFErrorRef;
+use core_foundation_sys::string::CFStringRef;
+
+use crate::transform::SecTransformRef;
+
+extern "C" {
+    pub static kSecDigestHMACKeyAttribute: CFStringRef;
+    pub static kSecDigestHMACMD5: CFStringRef;
+    pub static kSecDigestHMACSHA1: CFStringRef;
+    pub static kSecDigestHMACSHA2: CFStringRef;
+    pub static kSecDigestLengthAttribute: CFStringRef;
+    pub static kSecDigestMD2: CFStringRef;
+    pub static kSecDigestMD4: CFStringRef;
+    pub static kSecDigestMD5: CFStringRef;
+    pub static kSecDigestSHA1: CFStringRef;
+    pub static kSecDigestSHA2: CFStringRef;
+    pub static kSecDigestTypeAttribute: CFStringRef;
+
+    pub fn SecDigestTransformCreate(
+        digestType: CFTypeRef,
+        digestLength: CFIndex,
+        error: *mut CFErrorRef,
+    ) -> SecTransformRef;
+
+// this symbol is apparently missing in 10.13.3?
+// pub fn SecDigestTransformGetTypeID() -> CFTypeID;
+}