Add basic repo

ChaCha20_Poly1305_64/sim/chacha20.yaml

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+tests:
+  - name: "chacha20_block"
+    toplevel: "chacha20_block"
+    modules:
+      - "chacha20_block"
+    sources: "sources.list"

ChaCha20_Poly1305_64/sim/chacha20_block.py

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+import cocotb
+
+
+from cocotb.clock import Clock
+from cocotb.triggers import Timer, RisingEdge, FallingEdge
+
+CLK_PERIOD = 4
+
+
+class TB:
+    def __init__(self, dut):
+        self.dut = dut
+
+        cocotb.start_soon(Clock(self.dut.i_clk, CLK_PERIOD, units="ns").start())
+
+@cocotb.test
+async def test_sanity(dut):
+    tb = TB(dut)
+
+    await RisingEdge(tb.dut.i_clk)
+    await RisingEdge(tb.dut.i_clk)

ChaCha20_Poly1305_64/sim/results.xml

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+<testsuites name="results">
+  <testsuite name="all" package="all">
+    <property name="random_seed" value="1751043171" />
+    <testcase name="test_sanity" classname="chacha20_block" file="/home/byron/Projects/crypto/ChaCha20_Poly1305_64/sim/chacha20_block.py" lineno="12" time="0.0004475116729736328" sim_time_ns="0.0" ratio_time="0.0">
+      <failure message="Test failed with RANDOM_SEED=1751043171" />
+    </testcase>
+  </testsuite>
+</testsuites>

ChaCha20_Poly1305_64/sim/sources.list

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+../src/sources.list