ComputeSHA256 returns SHA2-256 on data.

ComputeSHA3256 returns SHA3-256 on data.

ConcatenateBytes is useful for combining multiple arrays of bytes, especially for signatures or digests over multiple fields This way is more efficient in speed.

CreateUtcTimestamp returns a google/protobuf/Timestamp in UTC.

ExtractCertificateFromContext returns the TLS certificate (if applicable) from the given context of a gRPC stream.

ExtractCertificateHashFromContext extracts the hash of the certificate from the given context.

ExtractRawCertificateFromContext returns the raw TLS certificate (if applicable) from the given context of a gRPC stream.

GenerateBytesUUID returns a UUID based on RFC 4122 returning the generated bytes.

GenerateUUID returns a UUID based on RFC 4122.

ToChaincodeArgs converts string args to []byte args.