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Merge pull request #86 from AChep/fix/support-more-decode-types 

Add support for more of cipher decode algorithms
This commit is contained in:
Artem Chepurnyi 2024-01-16 19:04:26 +02:00 committed by GitHub
parent e1371c3f85 57e1f1f951
commit 8f22f8a4e4
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 105 additions and 92 deletions
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193
common/src/jvmMain/kotlin/com/artemchep/keyguard/crypto/CipherEncryptorImpl.kt
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@ -14,6 +14,7 @@ import org.bouncycastle.crypto.AsymmetricBlockCipher
import org.bouncycastle.crypto.BufferedBlockCipher
import org.bouncycastle.crypto.CipherParameters
import org.bouncycastle.crypto.digests.SHA1Digest
import org.bouncycastle.crypto.digests.SHA256Digest
import org.bouncycastle.crypto.encodings.OAEPEncoding
import org.bouncycastle.crypto.engines.AESEngine
import org.bouncycastle.crypto.engines.RSAEngine
@ -57,10 +58,10 @@ class CipherEncryptorImpl(
)
}.getOrElse { e ->
val msg = kotlin.run {
val cipherSeq = cipher
.splitToSequence(".", limit = 1)
.firstOrNull()
"Failed to decode a cipher-text '${cipherSeq.orEmpty()}.???'!"
val type = cipher
.substringBefore('.')
val cause = e.localizedMessage ?: e.message
"Failed to decode a cipher-text '${type}.???'! Cause: $cause"
}
throw DecodeException(msg, e)
}
@ -166,7 +167,7 @@ class CipherEncryptorImpl(
}
decodeRsa2048_OaepSha256_B64(
cipherContent,
cipherArgs,
privateKey = asymmetricCryptoKey.privateKey,
)
}
@ -178,17 +179,33 @@ class CipherEncryptorImpl(
}
decodeRsa2048_OaepSha1_B64(
cipherContent,
cipherArgs,
privateKey = asymmetricCryptoKey.privateKey,
)
}
CipherEncryptor.Type.Rsa2048_OaepSha256_HmacSha256_B64 -> {
TODO("Decoding cipher type $cipherType is not supported yet.")
requireNotNull(asymmetricCryptoKey) {
"Asymmetric Crypto Key must not be null, " +
"for decoding $cipherType."
}
decodeRsa2048_OaepSha256_HmacSha256_B64(
cipherArgs,
privateKey = asymmetricCryptoKey.privateKey,
)
}
CipherEncryptor.Type.Rsa2048_OaepSha1_HmacSha256_B64 -> {
TODO("Decoding cipher type $cipherType is not supported yet.")
requireNotNull(asymmetricCryptoKey) {
"Asymmetric Crypto Key must not be null, " +
"for decoding $cipherType."
}
decodeRsa2048_OaepSha1_HmacSha256_B64(
cipherArgs,
privateKey = asymmetricCryptoKey.privateKey,
)
}
}
return DecodeResult(
@ -292,83 +309,43 @@ class CipherEncryptorImpl(
}
private fun decodeRsa2048_OaepSha256_B64(
cipher: String,
args: List<ByteArray>,
privateKey: ByteArray,
): ByteArray = kotlin.run {
val (rsaCt) = cipher
.split(CIPHER_DIVIDER)
.apply {
check(size == 1) {
check(args.size == 1) {
"The cipher must consist of exactly 1 part: rsaCt. The current cipher " +
"contains $size parts which may cause unknown behaviour!"
}
}
.map { base64 ->
base64Service.decode(base64)
}
TODO()
}
private fun decodeRsa2048_OaepSha1_B64(
cipher: String,
privateKey: ByteArray,
): ByteArray = kotlin.run {
val (rsaCt) = cipher
.split(CIPHER_DIVIDER)
.apply {
check(size == 1) {
"The cipher must consist of exactly 1 part: rsaCt. The current cipher " +
"contains $size parts which may cause unknown behaviour!"
}
}
.map { base64 ->
base64Service.decode(base64)
"contains ${args.size} parts which may cause unknown behaviour!"
}
val (ct) = args
val a = ASN1Sequence.fromByteArray(privateKey)
val b = PrivateKeyInfo.getInstance(a)
val d = PrivateKeyFactory.createKey(b) as RSAPrivateCrtKeyParameters
val pub = RSAKeyParameters(false, d.modulus, d.publicExponent)
// public Task<byte[]> RsaExtractPublicKeyAsync(byte[] privateKey)
// {
// // Have to specify some algorithm
// var provider = AsymmetricKeyAlgorithmProvider.OpenAlgorithm(AsymmetricAlgorithm.RsaOaepSha1);
// var cryptoKey = provider.ImportKeyPair(privateKey, CryptographicPrivateKeyBlobType.Pkcs8RawPrivateKeyInfo);
// return Task.FromResult(cryptoKey.ExportPublicKey(CryptographicPublicKeyBlobType.X509SubjectPublicKeyInfo));
// }
val q1 = SubjectPublicKeyInfoFactory.createSubjectPublicKeyInfo(pub)
val pubKey = RSAPublicKey.getInstance(q1.parsePublicKey())
val p = PublicKeyFactory.createKey(q1)
val fm = ubyteArrayOf(
48u,
130u,
1u,
34u,
48u,
13u,
6u,
9u,
42u,
134u,
72u,
134u,
247u,
13u,
1u,
1u,
1u,
5u,
0u,
3u,
130u,
1u,
15u,
0u,
val oaep = OAEPEncoding(
RSAEngine(),
SHA256Digest(),
SHA256Digest(),
null,
)
// "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5CsnpH25EPMguTAvnlW807PSM3o3RBjsCCzdNm3VNgK1Z4JSMyGnFOZq9ZZRHArV3kIYYGDZiP5kn5jw6g2XyBUbpLXw87N8jtzTENOuoUr+zQfKQX/H9w006bvENlm7LhTzL0SQbhcdzs1amqxajtzAS92YtOXizAGsYl8SieGl8OVYZNP3mbpsUpAtD/XtiDGxVo23yQ39w/6X3VYo6wYO2QY9aNCYDcLYYJ2D0y/2ocdD/QvibIVz7+4eA15p8HDWm++o9BlwZL9xZbk4x3DwWWz5Gy7hZk/tNpUgnqWFToxCRBgcMlBaI2VH6jX1ZxhUBXpEkK++n4Yz4BjRcQIDAQAB"
// "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5CsnpH25EPMguTAvnlW807PSM3o3RBjsCCzdNm3VNgK1Z4JSMyGnFOZq9ZZRHArV3kIYYGDZiP5kn5jw6g2XyBUbpLXw87N8jtzTENOuoUr+zQfKQX/H9w006bvENlm7LhTzL0SQbhcdzs1amqxajtzAS92YtOXizAGsYl8SieGl8OVYZNP3mbpsUpAtD/XtiDGxVo23yQ39w/6X3VYo6wYO2QY9aNCYDcLYYJ2D0y/2ocdD/QvibIVz7+4eA15p8HDWm++o9BlwZL9xZbk4x3DwWWz5Gy7hZk/tNpUgnqWFToxCRBgcMlBaI2VH6jX1ZxhUBXpEkK++n4Yz4BjRcQIDAQAB"
oaep.init(false, d)
val f = cipherData(oaep, ct)
f
}
private fun decodeRsa2048_OaepSha1_B64(
args: List<ByteArray>,
privateKey: ByteArray,
): ByteArray = kotlin.run {
check(args.size == 1) {
"The cipher must consist of exactly 1 part: rsaCt. The current cipher " +
"contains ${args.size} parts which may cause unknown behaviour!"
}
val (ct) = args
val a = ASN1Sequence.fromByteArray(privateKey)
val b = PrivateKeyInfo.getInstance(a)
val d = PrivateKeyFactory.createKey(b) as RSAPrivateCrtKeyParameters
val oaep = OAEPEncoding(
RSAEngine(),
@ -377,7 +354,57 @@ class CipherEncryptorImpl(
null,
)
oaep.init(false, d)
val f = cipherData(oaep, rsaCt)
val f = cipherData(oaep, ct)
f
}
private fun decodeRsa2048_OaepSha256_HmacSha256_B64(
args: List<ByteArray>,
privateKey: ByteArray,
): ByteArray = kotlin.run {
check(args.size == 2) {
"The cipher must consist of exactly 2 parts: rsaCt, mac. The current cipher " +
"contains ${args.size} parts which may cause unknown behaviour!"
}
val (ct, mac) = args
val a = ASN1Sequence.fromByteArray(privateKey)
val b = PrivateKeyInfo.getInstance(a)
val d = PrivateKeyFactory.createKey(b) as RSAPrivateCrtKeyParameters
val oaep = OAEPEncoding(
RSAEngine(),
SHA256Digest(),
SHA256Digest(),
null,
)
oaep.init(false, d)
val f = cipherData(oaep, ct)
f
}
private fun decodeRsa2048_OaepSha1_HmacSha256_B64(
args: List<ByteArray>,
privateKey: ByteArray,
): ByteArray = kotlin.run {
check(args.size == 2) {
"The cipher must consist of exactly 2 parts: rsaCt, mac. The current cipher " +
"contains ${args.size} parts which may cause unknown behaviour!"
}
val (ct, mac) = args
val a = ASN1Sequence.fromByteArray(privateKey)
val b = PrivateKeyInfo.getInstance(a)
val d = PrivateKeyFactory.createKey(b) as RSAPrivateCrtKeyParameters
val oaep = OAEPEncoding(
RSAEngine(),
SHA1Digest(),
SHA1Digest(),
null,
)
oaep.init(false, d)
val f = cipherData(oaep, ct)
f
}
@ -387,20 +414,6 @@ class CipherEncryptorImpl(
return result
}
private fun decodeRsa2048_OaepSha256_HmacSha256_B64(
cipher: String,
encKey: ByteArray,
macKey: ByteArray,
privateKey: ByteArray,
): ByteArray = TODO()
private fun decodeRsa2048_OaepSha1_HmacSha256_B64(
cipher: String,
encKey: ByteArray,
macKey: ByteArray,
privateKey: ByteArray,
): ByteArray = TODO()
override fun encode2(
cipherType: CipherEncryptor.Type,
plainText: ByteArray,