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Code Issues Releases Wiki Activity

fix issue with biometric validation (#1081)

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* fix issue with biometric validation

* null check key & cipher
This commit is contained in:
Matt Portune
2020-09-21 11:59:56 -04:00
committed by GitHub
parent d33e38012a
commit 0388738e02
1 changed files with 22 additions and 9 deletions
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31
src/Android/Services/BiometricService.cs
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@@ -51,6 +51,11 @@ namespace Bit.Droid.Services
IKey key = _keystore.GetKey(KeyName, null);
Cipher cipher = Cipher.GetInstance(Transformation);
if (key == null || cipher == null)
{
return Task.FromResult(true);
}
try
{
cipher.Init(CipherMode.EncryptMode, key);
@@ -76,15 +81,23 @@ namespace Bit.Droid.Services
private void CreateKey()
{
KeyGenerator keyGen = KeyGenerator.GetInstance(KeyAlgorithm, KeyStoreName);
KeyGenParameterSpec keyGenSpec =
new KeyGenParameterSpec.Builder(KeyName, KeyStorePurpose.Encrypt | KeyStorePurpose.Decrypt)
.SetBlockModes(BlockMode)
.SetEncryptionPaddings(EncryptionPadding)
.SetUserAuthenticationRequired(true)
.Build();
keyGen.Init(keyGenSpec);
keyGen.GenerateKey();
try
{
var keyGen = KeyGenerator.GetInstance(KeyAlgorithm, KeyStoreName);
var keyGenSpec =
new KeyGenParameterSpec.Builder(KeyName, KeyStorePurpose.Encrypt | KeyStorePurpose.Decrypt)
.SetBlockModes(BlockMode)
.SetEncryptionPaddings(EncryptionPadding)
.SetUserAuthenticationRequired(true)
.Build();
keyGen.Init(keyGenSpec);
keyGen.GenerateKey();
}
catch
{
// Catch silently to allow biometrics to function on devices that are in a state where key generation
// is not functioning
}
}
}
}