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package algorithm
import (
"encoding/json"
)
// Supported Algorithms.
const (
AlgorithmUnknown Algorithm = 0x0000
AlgorithmRSA Algorithm = 0x0001
Algorithm3DES Algorithm = 0x0003
AlgorithmSHA1 Algorithm = 0x0004
AlgorithmHMAC Algorithm = 0x0005
AlgorithmAES Algorithm = 0x0006
AlgorithmMGF1 Algorithm = 0x0007
AlgorithmKeyedHash Algorithm = 0x0008
AlgorithmXOR Algorithm = 0x000A
AlgorithmSHA256 Algorithm = 0x000B
AlgorithmSHA384 Algorithm = 0x000C
AlgorithmSHA512 Algorithm = 0x000D
AlgorithmNull Algorithm = 0x0010
AlgorithmSM3256 Algorithm = 0x0012
AlgorithmSM4 Algorithm = 0x0013
AlgorithmRSASSA Algorithm = 0x0014
AlgorithmRSAES Algorithm = 0x0015
AlgorithmRSAPSS Algorithm = 0x0016
AlgorithmOAEP Algorithm = 0x0017
AlgorithmECDSA Algorithm = 0x0018
AlgorithmECDH Algorithm = 0x0019
AlgorithmECDAA Algorithm = 0x001A
AlgorithmECSchnorr Algorithm = 0x001C
AlgorithmKDF1_56A Algorithm = 0x0020
AlgorithmKDF2 Algorithm = 0x0021
AlgorithmKDF1_108 Algorithm = 0x0022
AlgorithmECC Algorithm = 0x0023
AlgorithmSymCipher Algorithm = 0x0025
AlgorithmCamellia Algorithm = 0x0026
AlgorithmSHA3_256 Algorithm = 0x0027
AlgorithmSHA3_384 Algorithm = 0x0028
AlgorithmSHA3_512 Algorithm = 0x0029
AlgorithmCMAC Algorithm = 0x003F
AlgorithmCTR Algorithm = 0x0040
AlgorithmOFB Algorithm = 0x0041
AlgorithmCBC Algorithm = 0x0042
AlgorithmCFB Algorithm = 0x0043
AlgorithmECB Algorithm = 0x0044
)
// https://trustedcomputinggroup.org/wp-content/uploads/TCG_TPM2_r1p59_Part2_Structures_pub.pdf
var algs = map[Algorithm]string{
// object types
AlgorithmRSA: "RSA",
AlgorithmECC: "ECC",
// encryption algs
AlgorithmRSAES: "RSAES",
// block ciphers
Algorithm3DES: "3DES",
AlgorithmAES: "AES",
AlgorithmCamellia: "Camellia",
AlgorithmECB: "ECB",
AlgorithmCFB: "CFB",
AlgorithmOFB: "OFB",
AlgorithmCBC: "CBC",
AlgorithmCTR: "CTR",
AlgorithmSymCipher: "Symmetric Cipher",
AlgorithmCMAC: "CMAC",
// other ciphers
AlgorithmXOR: "XOR",
AlgorithmNull: "Null Cipher",
// hash algs
AlgorithmSHA1: "SHA-1",
AlgorithmHMAC: "HMAC",
AlgorithmMGF1: "MGF1",
AlgorithmKeyedHash: "Keyed Hash",
AlgorithmSM3256: "SM3-256",
AlgorithmSHA256: "SHA-256",
AlgorithmSHA384: "SHA-384",
AlgorithmSHA512: "SHA-512",
AlgorithmSHA3_256: "SHA3-256",
AlgorithmSHA3_384: "SHA3-384",
AlgorithmSHA3_512: "SHA3-512",
// signature algs
AlgorithmSM4: "SM4",
AlgorithmRSASSA: "RSA-SSA",
AlgorithmRSAPSS: "RSA-PSS",
AlgorithmECDSA: "ECDSA",
AlgorithmECDAA: "ECDAA",
AlgorithmECSchnorr: "EC-Schnorr",
// encryption schemes
AlgorithmOAEP: "OAEP",
AlgorithmECDH: "ECDH",
// key derivation
AlgorithmKDF1_56A: "KDF1-SP800-56A",
AlgorithmKDF1_108: "KDF1-SP800-108",
AlgorithmKDF2: "KDF2",
}
type Algorithm uint16
func (a Algorithm) String() string {
return algs[Algorithm(int(a))]
}
func (a Algorithm) MarshalJSON() ([]byte, error) {
return json.Marshal(a.String())
}
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