When I tried to install cfssl with this command:
go get -u github.com/cloudflare/cfssl/cmd/cfssl
I received following output:
# github.com/cloudflare/cfssl/crypto/pkcs7
go_packages/src/github.com/cloudflare/cfssl/crypto/pkcs7/pkcs7.go:141: pkcs7.ContentType.String undefined (type asn1.ObjectIdentifier has no field or method String)
# github.com/cloudflare/cfssl/helpers/derhelpers
go_packages/src/github.com/cloudflare/cfssl/helpers/derhelpers/derhelpers.go:16: undefined: crypto.Signer
# github.com/cloudflare/cfssl/csr
go_packages/src/github.com/cloudflare/cfssl/csr/csr.go:191: undefined: x509.CertificateRequest
go_packages/src/github.com/cloudflare/cfssl/csr/csr.go:204: undefined: x509.CreateCertificateRequest
# golang.org/x/crypto/ocsp
go_packages/src/golang.org/x/crypto/ocsp/ocsp.go:494: undefined: crypto.Signer
# github.com/cloudflare/cf-tls/tls
go_packages/src/github.com/cloudflare/cf-tls/tls/handshake_client.go:431: undefined: crypto.Signer
I really have no clue whether this is harmful or not and has something to do with the usage of this tool. However when I try to use it, I receive this error:
-bash: cfssl: Command not found.
I never used go but I wanted to use this tool. Do you guys know why this is not working as expected?
Edit
output of go env
GOARCH="amd64"
GOBIN=""
GOCHAR="6"
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/ubuntu/go"
GORACE=""
GOROOT="/usr/lib/go"
GOTOOLDIR="/usr/lib/go/pkg/tool/linux_amd64"
TERM="dumb"
CC="gcc"
GOGCCFLAGS="-g -O2 -fPIC -m64 -pthread"
CXX="g++"
CGO_ENABLED="1"
output of go version
go version go1.2.1 linux/amd64
I really don't know why this is the case because I installed this version.