1*e7b1675dSTing-Kang Chang# Java cleartext keysets example 2*e7b1675dSTing-Kang Chang 3*e7b1675dSTing-Kang ChangThis example shows how to generate or load a cleartext keyset, obtain a 4*e7b1675dSTing-Kang Changprimitive, and use the primitive to do crypto. 5*e7b1675dSTing-Kang Chang 6*e7b1675dSTing-Kang ChangWARNING: This is not recommended, consider protecting your keysets with a key 7*e7b1675dSTing-Kang Changmanagement system. 8*e7b1675dSTing-Kang Chang 9*e7b1675dSTing-Kang Chang## Build and run 10*e7b1675dSTing-Kang Chang 11*e7b1675dSTing-Kang Chang### Bazel 12*e7b1675dSTing-Kang Chang 13*e7b1675dSTing-Kang Chang```shell 14*e7b1675dSTing-Kang Changgit clone https://github.com/google/tink 15*e7b1675dSTing-Kang Changcd tink/examples/java_src 16*e7b1675dSTing-Kang Changbazel build ... 17*e7b1675dSTing-Kang Chang``` 18*e7b1675dSTing-Kang Chang 19*e7b1675dSTing-Kang ChangGenerate a cleartext keyset: 20*e7b1675dSTing-Kang Chang 21*e7b1675dSTing-Kang Chang```shell 22*e7b1675dSTing-Kang Chang./bazel-bin/cleartextkeyset/cleartext_keyset_example generate aes128_gcm_test_keyset.json 23*e7b1675dSTing-Kang Chang``` 24*e7b1675dSTing-Kang Chang 25*e7b1675dSTing-Kang ChangEncrypt a file with the resulting keyset: 26*e7b1675dSTing-Kang Chang 27*e7b1675dSTing-Kang Chang```shell 28*e7b1675dSTing-Kang Changecho "some data" > testdata.txt 29*e7b1675dSTing-Kang Chang./bazel-bin/cleartextkeyset/cleartext_keyset_example encrypt \ 30*e7b1675dSTing-Kang Chang aes128_gcm_test_keyset.json \ 31*e7b1675dSTing-Kang Chang testdata.txt testdata.txt.encrypted 32*e7b1675dSTing-Kang Chang``` 33*e7b1675dSTing-Kang Chang 34*e7b1675dSTing-Kang ChangDecrypt the file with the resulting keyset: 35*e7b1675dSTing-Kang Chang 36*e7b1675dSTing-Kang Chang```shell 37*e7b1675dSTing-Kang Chang./bazel-bin/cleartextkeyset/cleartext_keyset_example decrypt \ 38*e7b1675dSTing-Kang Chang aes128_gcm_test_keyset.json \ 39*e7b1675dSTing-Kang Chang testdata.txt.encrypted testdata.txt.decrypted 40*e7b1675dSTing-Kang Chang 41*e7b1675dSTing-Kang Changdiff testdata.txt testdata.txt.decrypted 42*e7b1675dSTing-Kang Chang``` 43