/
cipher_sm4.go
51 lines (45 loc) · 1004 Bytes
/
cipher_sm4.go
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package pkcs
import (
"encoding/asn1"
"github.com/aacfactory/afssl/gmsm/sm4"
)
var (
oidSM4CBC = asn1.ObjectIdentifier{1, 2, 156, 10197, 1, 104, 2}
oidSM4GCM = asn1.ObjectIdentifier{1, 2, 156, 10197, 1, 104, 8}
oidSM4ECB = asn1.ObjectIdentifier{1, 2, 156, 10197, 1, 104, 1}
oidSM4 = asn1.ObjectIdentifier{1, 2, 156, 10197, 1, 104}
)
func init() {
RegisterCipher(oidSM4CBC, func() Cipher {
return SM4CBC
})
RegisterCipher(oidSM4GCM, func() Cipher {
return SM4GCM
})
RegisterCipher(oidSM4ECB, func() Cipher {
return SM4ECB
})
}
var SM4ECB = &ecbBlockCipher{
baseBlockCipher: baseBlockCipher{
keySize: 16,
newBlock: sm4.NewCipher,
oid: oidSM4ECB,
},
}
var SM4CBC = &cbcBlockCipher{
baseBlockCipher: baseBlockCipher{
keySize: 16,
newBlock: sm4.NewCipher,
oid: oidSM4CBC,
},
ivSize: sm4.BlockSize,
}
var SM4GCM = &gcmBlockCipher{
baseBlockCipher: baseBlockCipher{
keySize: 16,
newBlock: sm4.NewCipher,
oid: oidSM4GCM,
},
nonceSize: 12,
}