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package profile
import (
"crypto"
"github.com/ProtonMail/go-crypto/openpgp/packet"
"github.com/ProtonMail/go-crypto/openpgp/s2k"
"github.com/ProtonMail/gopenpgp/v3/constants"
)
// Default returns a custom profile that support features
// that are widely implemented.
func Default() *Custom {
setKeyAlgorithm := func(cfg *packet.Config, securityLevel int8) {
cfg.Algorithm = packet.PubKeyAlgoEdDSA
switch securityLevel {
case constants.HighSecurity:
cfg.Curve = packet.Curve25519
default:
cfg.Curve = packet.Curve25519
}
}
return &Custom{
SetKeyAlgorithm: setKeyAlgorithm,
Hash: crypto.SHA256,
CipherEncryption: packet.CipherAES256,
CompressionAlgorithm: packet.CompressionZLIB,
CompressionConfiguration: &packet.CompressionConfig{
Level: 6,
},
}
}
// RFC4880 returns a custom profile for this library
// that conforms with the algorithms in RFC4880.
func RFC4880() *Custom {
setKeyAlgorithm := func(cfg *packet.Config, securityLevel int8) {
cfg.Algorithm = packet.PubKeyAlgoRSA
switch securityLevel {
case constants.HighSecurity:
cfg.RSABits = 4096
default:
cfg.RSABits = 3072
}
}
return &Custom{
SetKeyAlgorithm: setKeyAlgorithm,
Hash: crypto.SHA256,
CipherEncryption: packet.CipherAES256,
CompressionAlgorithm: packet.CompressionZLIB,
}
}
// RFC9580 returns a custom profile for this library
// that conforms with the algorithms in RFC9580.
func RFC9580() *Custom {
setKeyAlgorithm := func(cfg *packet.Config, securityLevel int8) {
switch securityLevel {
case constants.HighSecurity:
cfg.Algorithm = packet.PubKeyAlgoEd448
default:
cfg.Algorithm = packet.PubKeyAlgoEd25519
}
}
return &Custom{
SetKeyAlgorithm: setKeyAlgorithm,
Hash: crypto.SHA512,
CipherEncryption: packet.CipherAES256,
CompressionAlgorithm: packet.CompressionZLIB,
AeadKeyEncryption: &packet.AEADConfig{},
AeadEncryption: &packet.AEADConfig{},
S2kKeyEncryption: &s2k.Config{
S2KMode: s2k.Argon2S2K,
Argon2Config: &s2k.Argon2Config{},
},
S2kEncryption: &s2k.Config{
S2KMode: s2k.Argon2S2K,
Argon2Config: &s2k.Argon2Config{},
},
V6: true,
}
}
|
