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@@ -36,6 +36,7 @@
   of Bristol Cryptography Group on scalar cryptography extensions
   to RISC-V.
 
+- There is a rough [Todo List](todo.md).
 
 ## Specification
 
diff --git a/todo.md b/todo.md
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+
+# Todo List
+
+*Somwehere to publically keep track of tasks.*
+
+---
+
+## Software
+
+Algorithm   | Baseline | RV32  | RV64
+------------|----------|-------|--------------
+AES         |    x     |  x    | x
+SHA256      |    x     |  x    | x
+SHA512      |    x     |       | x
+SHA3        |    x     |       |
+SM3         |          |       | 
+SM4         |          |       | 
+
+- For SM4 example code, see
+  [mjosaarinen / lwaes_isa](https://github.com/mjosaarinen/lwaes_isa/).
+
+- For SHA3 / RV32 SHA 512 and SM3 example code, see
+  [mjosaarinen / lwsha_isa](https://github.com/mjosaarinen/lwsha_isa/).
+
+## Hardware
+
+**Individual Instructions / classes:**
+
+- [x] [Lut4](rtl/lut4)
+- [x] [AES RV32](rtl/aes/rv32)
+- [x] [AES RV64](rtl/aes/rv64)
+- [x] [SHA256](rtl/ssha256)
+- [x] [SHA512](rtl/ssha512)
+- [ ] SM3   
+- [ ] SM4   
+
+**Combined Instruction Classes:**
+
+- [ ] AES RV32 + SM4.
+- [ ] All SHA instructions.
+- [ ] Complete Crypto ISE Core "drop-in".
+
+
+## Public review checklist
+
+This is still being compiled by others in the foundation, but will include:
+
+- [ ] Compliance tests.
+- [ ] Formal Spec.
+- [ ] Human Spec.
+