This is an example showing how to sign and verify data with Tink using digital signatures.
It demonstrates the basic steps of using Tink, namely loading key material, obtaining a primitive, and using the primitive to do crypto.
The key material was generated with:
tinkey create-keyset --key-template ECDSA_P256 --out-format JSON \ --out signature_test_private_keyset.json tinkey create-public-keyset --in signature_test_private_keyset.json \ --in-format JSON --out-format JSON --out signature_test_public_keyset.json
git clone https://github.com/google/tink cd tink/examples/java_src bazel build ... echo "some data" > data.txt touch signature_file.txt ./bazel-bin/signature/signature_example sign \ ./signature/signature_test_private_keyset.json data.txt signature_file.txt ./bazel-bin/signature/signature_example verify \ ./signature/signature_test_public_keyset.json data.txt signature_file.txt