Fix compilation issues in crypto.bccrypt and poly1305 (#20756)

Author: jedisct1

lib/std/crypto/bcrypt.zig

@@ -496,37 +496,37 @@ const pbkdf_prf = struct {
     hasher: Sha512,
     sha2pass: [Sha512.digest_length]u8,
 
-    fn create(out: *[mac_length]u8, msg: []const u8, key: []const u8) void {
+    pub fn create(out: *[mac_length]u8, msg: []const u8, key: []const u8) void {
         var ctx = Self.init(key);
         ctx.update(msg);
         ctx.final(out);
     }
 
-    fn init(key: []const u8) Self {
+    pub fn init(key: []const u8) Self {
         var self: Self = undefined;
         self.hasher = Sha512.init(.{});
         Sha512.hash(key, &self.sha2pass, .{});
         return self;
     }
 
-    fn update(self: *Self, msg: []const u8) void {
+    pub fn update(self: *Self, msg: []const u8) void {
         self.hasher.update(msg);
     }
 
-    fn final(self: *Self, out: *[mac_length]u8) void {
+    pub fn final(self: *Self, out: *[mac_length]u8) void {
         var sha2salt: [Sha512.digest_length]u8 = undefined;
         self.hasher.final(&sha2salt);
         out.* = hash(self.sha2pass, sha2salt);
     }
 
     /// Matches OpenBSD function
     /// https://github.com/openbsd/src/blob/6df1256b7792691e66c2ed9d86a8c103069f9e34/lib/libutil/bcrypt_pbkdf.c#L98
-    fn hash(sha2pass: [Sha512.digest_length]u8, sha2salt: [Sha512.digest_length]u8) [32]u8 {
+    pub fn hash(sha2pass: [Sha512.digest_length]u8, sha2salt: [Sha512.digest_length]u8) [32]u8 {
         var cdata: [8]u32 = undefined;
         {
             const ciphertext = "OxychromaticBlowfishSwatDynamite";
             var j: usize = 0;
-            for (cdata) |*v| {
+            for (&cdata) |*v| {
                 v.* = State.toWord(ciphertext, &j);
             }
         }
@@ -557,7 +557,7 @@ const pbkdf_prf = struct {
 
         // zap
         crypto.utils.secureZero(u32, &cdata);
-        crypto.utils.secureZero(State, @as(*[1]State, &state));
+        crypto.utils.secureZero(u32, &state.subkeys);
 
         return out;
     }

lib/std/crypto/poly1305.zig

@@ -148,7 +148,7 @@ pub const Poly1305 = struct {
             return;
         }
         @memset(st.buf[st.leftover..], 0);
-        st.blocks(&st.buf);
+        st.blocks(&st.buf, false);
         st.leftover = 0;
     }