Upgrade crypto.

Related to #435

go.mod

@@ -20,7 +20,7 @@ require (
 	github.com/smallstep/nosql v0.3.0
 	github.com/urfave/cli v1.22.4
 	go.step.sm/cli-utils v0.1.0
-	go.step.sm/crypto v0.7.1
+	go.step.sm/crypto v0.7.2
 	golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897
 	golang.org/x/net v0.0.0-20201021035429-f5854403a974
 	google.golang.org/api v0.33.0

go.sum

@@ -293,8 +293,8 @@ go.step.sm/cli-utils v0.1.0 h1:uuQ73MuAh5P5Eg+3zfqwrtlTLx5DWSfGqGCrSSjYqdk=
 go.step.sm/cli-utils v0.1.0/go.mod h1:+t4qCp5NO+080DdGkJxEh3xL5S4TcYC2JTPLMM72b6Y=
 go.step.sm/crypto v0.6.1 h1:nJoRFGrGNf/mKVVMdWnfLbBfIFt/z4NdJlSL5nipQMQ=
 go.step.sm/crypto v0.6.1/go.mod h1:AKS4yMZVZD4EGjpSkY4eibuMenrvKCscb+BpWMet8c0=
-go.step.sm/crypto v0.7.1 h1:AX9rCGDvSHxfYy117+i7TqNkjhRxuybI584woKqP54c=
-go.step.sm/crypto v0.7.1/go.mod h1:AKS4yMZVZD4EGjpSkY4eibuMenrvKCscb+BpWMet8c0=
+go.step.sm/crypto v0.7.2 h1:4EFVTDmdLchlw1Z8AgMl+UiExb1nsocbm/7aArEG/SA=
+go.step.sm/crypto v0.7.2/go.mod h1:AKS4yMZVZD4EGjpSkY4eibuMenrvKCscb+BpWMet8c0=
 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=