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support odd rsa moduli on security tokens

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This commit is contained in:
Vincent Breitmoser 2017-01-13 02:37:42 +01:00
parent d389ec21e2
commit a1127bdf1a
1 changed files with 7 additions and 5 deletions
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12
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/securitytoken/SecurityTokenHelper.java
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@ -661,7 +661,8 @@ public class SecurityTokenHelper {
byte[] data;
switch (mOpenPgpCapabilities.getFormatForKeyType(KeyType.SIGN).keyFormatType()) {
KeyFormat signKeyFormat = mOpenPgpCapabilities.getFormatForKeyType(KeyType.SIGN);
switch (signKeyFormat.keyFormatType()) {
case RSAKeyFormatType:
data = dsi;
break;
@ -687,11 +688,12 @@ public class SecurityTokenHelper {
byte[] signature = response.getData();
// Make sure the signature we received is actually the expected number of bytes long!
switch (mOpenPgpCapabilities.getFormatForKeyType(KeyType.SIGN).keyFormatType()) {
switch (signKeyFormat.keyFormatType()) {
case RSAKeyFormatType:
if (signature.length != 128 && signature.length != 256
&& signature.length != 384 && signature.length != 512) {
throw new IOException("Bad signature length! Expected 128/256/384/512 bytes, got " + signature.length);
int modulusLength = ((RSAKeyFormat) signKeyFormat).getModulusLength();
if (signature.length != (modulusLength / 8)) {
throw new IOException("Bad signature length! Expected " + (modulusLength / 8) +
" bytes, got " + signature.length);
}
break;