diff options
Diffstat (limited to 'vendor/github.com/matterbridge/go-whatsapp/crypto/curve25519/curve.go')
-rw-r--r-- | vendor/github.com/matterbridge/go-whatsapp/crypto/curve25519/curve.go | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/vendor/github.com/matterbridge/go-whatsapp/crypto/curve25519/curve.go b/vendor/github.com/matterbridge/go-whatsapp/crypto/curve25519/curve.go deleted file mode 100644 index 5ddf9c9a..00000000 --- a/vendor/github.com/matterbridge/go-whatsapp/crypto/curve25519/curve.go +++ /dev/null @@ -1,44 +0,0 @@ -/* -In cryptography, Curve25519 is an elliptic curve offering 128 bits of security and designed for use with the elliptic -curve Diffie–Hellman (ECDH) key agreement scheme. It is one of the fastest ECC curves and is not covered by any known -patents. The reference implementation is public domain software. The original Curve25519 paper defined it -as a Diffie–Hellman (DH) function. -*/ -package curve25519 - -import ( - "crypto/rand" - "golang.org/x/crypto/curve25519" - "io" -) - -/* -GenerateKey generates a public private key pair using Curve25519. -*/ -func GenerateKey() (privateKey *[32]byte, publicKey *[32]byte, err error) { - var pub, priv [32]byte - - _, err = io.ReadFull(rand.Reader, priv[:]) - if err != nil { - return nil, nil, err - } - - priv[0] &= 248 - priv[31] &= 127 - priv[31] |= 64 - - curve25519.ScalarBaseMult(&pub, &priv) - - return &priv, &pub, nil -} - -/* -GenerateSharedSecret generates the shared secret with a given public private key pair. -*/ -func GenerateSharedSecret(priv, pub [32]byte) []byte { - var secret [32]byte - - curve25519.ScalarMult(&secret, &priv, &pub) - - return secret[:] -} |