Revision 73795210a4490f42c2d1be1ef63420f67ca29dc0 authored by Thane Thomson on 21 December 2022, 22:48:02 UTC, committed by GitHub on 21 December 2022, 22:48:02 UTC
* docs: Update upgrading guidelines with new ABCI version Signed-off-by: Thane Thomson <connect@thanethomson.com> * docs: Fix broken link in upgrading guidelines for ABCI++ Signed-off-by: Thane Thomson <connect@thanethomson.com> * docs: Prepare version in upgrading guidelines Signed-off-by: Thane Thomson <connect@thanethomson.com> * Update UPGRADING.md Co-authored-by: Sergio Mena <sergio@informal.systems> Signed-off-by: Thane Thomson <connect@thanethomson.com> Co-authored-by: Sergio Mena <sergio@informal.systems>
1 parent 37cb51c
random.go
package crypto
import (
crand "crypto/rand"
"encoding/hex"
"io"
)
// This only uses the OS's randomness
func randBytes(numBytes int) []byte {
b := make([]byte, numBytes)
_, err := crand.Read(b)
if err != nil {
panic(err)
}
return b
}
// This only uses the OS's randomness
func CRandBytes(numBytes int) []byte {
return randBytes(numBytes)
}
// CRandHex returns a hex encoded string that's floor(numDigits/2) * 2 long.
//
// Note: CRandHex(24) gives 96 bits of randomness that
// are usually strong enough for most purposes.
func CRandHex(numDigits int) string {
return hex.EncodeToString(CRandBytes(numDigits / 2))
}
// Returns a crand.Reader.
func CReader() io.Reader {
return crand.Reader
}
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