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tendermint/crypto
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Erik Grinaker 15b70373cc crypto: fix infinite recursion in Secp256k1 string formatting (#5707) (#5709) 
This caused stack overflow panics in E2E tests, e.g.:

```
2020-11-24T02:37:17.6085640Z validator04    | runtime: goroutine stack exceeds 1000000000-byte limit
2020-11-24T02:37:17.6087818Z validator04    | runtime: sp=0xc0234b23c0 stack=[0xc0234b2000, 0xc0434b2000]
2020-11-24T02:37:17.6088920Z validator04    | fatal error: stack overflow
2020-11-24T02:37:17.6089776Z validator04    |
2020-11-24T02:37:17.6090569Z validator04    | runtime stack:
2020-11-24T02:37:17.6091677Z validator04    | runtime.throw(0x12dc476, 0xe)
2020-11-24T02:37:17.6093123Z validator04    | 	/usr/local/go/src/runtime/panic.go:1116 +0x72
2020-11-24T02:37:17.6094320Z validator04    | runtime.newstack()
2020-11-24T02:37:17.6095374Z validator04    | 	/usr/local/go/src/runtime/stack.go:1067 +0x78d
2020-11-24T02:37:17.6096381Z validator04    | runtime.morestack()
2020-11-24T02:37:17.6097657Z validator04    | 	/usr/local/go/src/runtime/asm_amd64.s:449 +0x8f
2020-11-24T02:37:17.6098505Z validator04    |
2020-11-24T02:37:17.6099328Z validator04    | goroutine 88 [running]:
2020-11-24T02:37:17.6100470Z validator04    | runtime.heapBitsSetType(0xc009565380, 0x20, 0x18, 0x1137e00)
2020-11-24T02:37:17.6101961Z validator04    | 	/usr/local/go/src/runtime/mbitmap.go:911 +0xaa5 fp=0xc0234b23d0 sp=0xc0234b23c8 pc=0x432625
2020-11-24T02:37:17.6103906Z validator04    | runtime.mallocgc(0x20, 0x1137e00, 0x117b601, 0x11e9240)
2020-11-24T02:37:17.6105179Z validator04    | 	/usr/local/go/src/runtime/malloc.go:1090 +0x5a5 fp=0xc0234b2470 sp=0xc0234b23d0 pc=0x428b25
2020-11-24T02:37:17.6106540Z validator04    | runtime.convTslice(0xc002743710, 0x21, 0x21, 0xc0234b24e8)
2020-11-24T02:37:17.6107861Z validator04    | 	/usr/local/go/src/runtime/iface.go:385 +0x59 fp=0xc0234b24a0 sp=0xc0234b2470 pc=0x426379
2020-11-24T02:37:17.6109315Z validator04    | github.com/tendermint/tendermint/crypto/secp256k1.PubKey.String(...)
2020-11-24T02:37:17.6151692Z validator04    | 	/src/tendermint/crypto/secp256k1/secp256k1.go:161
2020-11-24T02:37:17.6153872Z validator04    | github.com/tendermint/tendermint/crypto/secp256k1.(*PubKey).String(0xc009565360, 0x11e9240, 0xc009565360)
2020-11-24T02:37:17.6157421Z validator04    | 	<autogenerated>:1 +0x65 fp=0xc0234b24f8 sp=0xc0234b24a0 pc=0x656965
2020-11-24T02:37:17.6159134Z validator04    | fmt.(*pp).handleMethods(0xc00956c680, 0x58, 0xc0234b2801)
2020-11-24T02:37:17.6161462Z validator04    | 	/usr/local/go/src/fmt/print.go:630 +0x30a fp=0xc0234b2768 sp=0xc0234b24f8 pc=0x518b8a
[...]
2020-11-24T02:37:17.6649685Z validator04    | 	/usr/local/go/src/fmt/print.go:630 +0x30a fp=0xc0234b7f48 sp=0xc0234b7cd8 pc=0x518b8a
2020-11-24T02:37:17.6651177Z validator04    | created by github.com/tendermint/tendermint/node.startStateSync
2020-11-24T02:37:17.6652521Z validator04    | 	/src/tendermint/node/node.go:587 +0x150

```
2020-11-24 14:01:53 +01:00
..
armor
crypto/merkle: remove simple prefix (#4989)
2020-06-10 14:57:38 +00:00
ed25519
crypto: add in secp256k1 support (#5500)
2020-10-19 10:07:51 +02:00
encoding
test/e2e: fix secp failures (#5649)
2020-11-18 15:21:52 +01:00
internal/benchmarking
crypto: API modifications (#5236)
2020-08-13 12:29:16 +00:00
merkle
light/rpc: fix ABCIQuery (#5375)
2020-10-22 12:17:53 +02:00
secp256k1
crypto: fix infinite recursion in Secp256k1 string formatting (#5707) (#5709)
2020-11-24 14:01:53 +01:00
sr25519
crypto: API modifications (#5236)
2020-08-13 12:29:16 +00:00
tmhash
linter: (1/2) enable errcheck (#5064)
2020-07-01 15:13:11 +00:00
xchacha20poly1305
lint: add errchecks (#5316)
2020-09-04 11:58:03 +00:00
xsalsa20symmetric
linters: enable stylecheck (#4153)
2019-11-16 19:35:39 +04:00
CHANGELOG.md
mv go-crypto files to crypto dir
2018-06-20 15:30:44 -07:00
crypto.go
crypto: API modifications (#5236)
2020-08-13 12:29:16 +00:00
doc.go
crypto: delete unused code (#3426)
2019-03-19 20:00:53 -04:00
example_test.go
crypto: delete unused code (#3426)
2019-03-19 20:00:53 -04:00
hash.go
lint: add errchecks (#5316)
2020-09-04 11:58:03 +00:00
random_test.go
crypto/random: Use chacha20, add forward secrecy (#2562)
2018-10-08 15:15:56 +02:00
random.go
remove MixEntropy (#3278)
2019-02-07 20:12:57 -05:00
README.md
crypto: reword readme (#5349)
2020-09-10 12:52:32 +00:00
version.go
mv go-crypto files to crypto dir
2018-06-20 15:30:44 -07:00

README.md

crypto

crypto is the cryptographic package adapted for Tendermint's uses

Importing it

To get the interfaces, import "github.com/tendermint/tendermint/crypto"

For any specific algorithm, use its specific module e.g. import "github.com/tendermint/tendermint/crypto/ed25519"

Binary encoding

For Binary encoding, please refer to the Tendermint encoding specification.

JSON Encoding

JSON encoding is done using tendermint's internal json encoder. For more information on JSON encoding, please refer to Tendermint JSON encoding

Example JSON encodings:

ed25519.PrivKey     - {"type":"tendermint/PrivKeyEd25519","value":"EVkqJO/jIXp3rkASXfh9YnyToYXRXhBr6g9cQVxPFnQBP/5povV4HTjvsy530kybxKHwEi85iU8YL0qQhSYVoQ=="}
ed25519.PubKey      - {"type":"tendermint/PubKeyEd25519","value":"AT/+aaL1eB0477Mud9JMm8Sh8BIvOYlPGC9KkIUmFaE="}
sr25519.PrivKeySr25519   - {"type":"tendermint/PrivKeySr25519","value":"xtYVH8UCIqfrY8FIFc0QEpAEBShSG4NT0zlEOVSZ2w4="}
sr25519.PubKeySr25519    - {"type":"tendermint/PubKeySr25519","value":"8sKBLKQ/OoXMcAJVxBqz1U7TyxRFQ5cmliuHy4MrF0s="}
crypto.PrivKeySecp256k1   - {"type":"tendermint/PrivKeySecp256k1","value":"zx4Pnh67N+g2V+5vZbQzEyRerX9c4ccNZOVzM9RvJ0Y="}
crypto.PubKeySecp256k1    - {"type":"tendermint/PubKeySecp256k1","value":"A8lPKJXcNl5VHt1FK8a244K9EJuS4WX1hFBnwisi0IJx"}