Fix uniform random key generation #762

Job	Run time
Compute matrix	4s
Doxygen check	16s
Verify Dev Containers / Verify devcontainers	14s
CUDA11.8 gcc / amd64 / Build gcc11/C++17 / Build gcc11/C++17	2m 54s
CUDA12.6 gcc / arm64 / Build gcc12/C++17 / Build gcc12/C++17	2m 50s
CUDA12.6 gcc / amd64 / Build gcc13/C++17 / Build gcc13/C++17	3m 27s
CUDA12.6 gcc / amd64 / Build gcc12/C++17 / Build gcc12/C++17	3m 40s
Verify Dev Containers / List devcontainers	4s
Verify Dev Containers / cuda12.6-gcc13	1m 1s
Verify Dev Containers / cuda12.6-gcc13	1m 4s
Verify Dev Containers / cuda12.6-gcc12	59s
Verify Dev Containers / cuda11.8-gcc11	56s
CUDA12.6 gcc / arm64 / Test ${{ inputs.test_name }}	0s
CUDA11.8 gcc / amd64 / Test gcc11/C++17 / Test gcc11/C++17	3m 23s
CUDA12.6 gcc / amd64 / Test ${{ inputs.test_name }}	0s
CUDA12.6 gcc / amd64 / Test gcc12/C++17 / Test gcc12/C++17	2m 51s
CI success	1s
	23m 44s

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