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  1. # crypto
  2. crypto is the cryptographic package adapted for Tendermint's uses
  3. ## Importing it
  4. To get the interfaces,
  5. `import "github.com/tendermint/tendermint/crypto"`
  6. For any specific algorithm, use its specific module e.g.
  7. `import "github.com/tendermint/tendermint/crypto/ed25519"`
  8. If you want to decode bytes into one of the types, but don't care about the specific algorithm, use
  9. `import "github.com/tendermint/tendermint/crypto/amino"`
  10. ## Binary encoding
  11. For Binary encoding, please refer to the [Tendermint encoding specification](https://docs.tendermint.com/master/spec/blockchain/encoding.html).
  12. ## JSON Encoding
  13. crypto `.Bytes()` uses Amino:binary encoding, but Amino:JSON is also supported.
  14. ```go
  15. Example Amino:JSON encodings:
  16. ed25519.PrivKeyEd25519 - {"type":"tendermint/PrivKeyEd25519","value":"EVkqJO/jIXp3rkASXfh9YnyToYXRXhBr6g9cQVxPFnQBP/5povV4HTjvsy530kybxKHwEi85iU8YL0qQhSYVoQ=="}
  17. ed25519.PubKeyEd25519 - {"type":"tendermint/PubKeyEd25519","value":"AT/+aaL1eB0477Mud9JMm8Sh8BIvOYlPGC9KkIUmFaE="}
  18. sr25519.PrivKeySr25519 - {"type":"tendermint/PrivKeySr25519","value":"xtYVH8UCIqfrY8FIFc0QEpAEBShSG4NT0zlEOVSZ2w4="}
  19. sr25519.PubKeySr25519 - {"type":"tendermint/PubKeySr25519","value":"8sKBLKQ/OoXMcAJVxBqz1U7TyxRFQ5cmliuHy4MrF0s="}
  20. crypto.PrivKeySecp256k1 - {"type":"tendermint/PrivKeySecp256k1","value":"zx4Pnh67N+g2V+5vZbQzEyRerX9c4ccNZOVzM9RvJ0Y="}
  21. crypto.PubKeySecp256k1 - {"type":"tendermint/PubKeySecp256k1","value":"A8lPKJXcNl5VHt1FK8a244K9EJuS4WX1hFBnwisi0IJx"}
  22. ```