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Code Issues Releases Wiki Activity

fix Le fields in APDUs

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This commit is contained in:
Vincent Breitmoser 2014-09-24 12:30:07 +02:00
parent 5604deaca0
commit e4a7414794
1 changed files with 6 additions and 5 deletions
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11
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcActivity.java
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@ -299,7 +299,7 @@ public class NfcActivity extends ActionBarActivity {
if (hash.length != 20) {
throw new RuntimeException("Bad hash length (" + hash.length + ", expected 10!");
}
dsi = "30" // Lc TODO 0x30 == 48. shouldn't this be 35, for 15 header bytes + 20 hash?
dsi = "23" // Lc
+ "3021" // Tag/Length of Sequence, the 0x21 includes all following 33 bytes
+ "3009" // Tag/Length of Sequence, the 0x09 are the following header bytes
+ "0605" + "2B0E03021A" // OID of SHA1
@ -310,13 +310,13 @@ public class NfcActivity extends ActionBarActivity {
if (hash.length != 20) {
throw new RuntimeException("Bad hash length (" + hash.length + ", expected 20!");
}
dsi = "303021300906052B2403020105000414" + getHex(hash);
dsi = "233021300906052B2403020105000414" + getHex(hash);
break;
case HashAlgorithmTags.SHA224:
if (hash.length != 28) {
throw new RuntimeException("Bad hash length (" + hash.length + ", expected 28!");
}
dsi = "34302D300D06096086480165030402040500041C" + getHex(hash);
dsi = "2F302D300D06096086480165030402040500041C" + getHex(hash);
break;
case HashAlgorithmTags.SHA256:
if (hash.length != 32) {
@ -328,13 +328,13 @@ public class NfcActivity extends ActionBarActivity {
if (hash.length != 48) {
throw new RuntimeException("Bad hash length (" + hash.length + ", expected 48!");
}
dsi = "343041300D060960864801650304020205000430" + getHex(hash);
dsi = "433041300D060960864801650304020205000430" + getHex(hash);
break;
case HashAlgorithmTags.SHA512:
if (hash.length != 64) {
throw new RuntimeException("Bad hash length (" + hash.length + ", expected 64!");
}
dsi = "343051300D060960864801650304020305000440" + getHex(hash);
dsi = "533051300D060960864801650304020305000440" + getHex(hash);
break;
default:
throw new RuntimeException("Not supported hash algo!");
@ -369,6 +369,7 @@ public class NfcActivity extends ActionBarActivity {
}
// Make sure the signature we received is actually the expected number of bytes long!
// TODO this is only right for RSA 2048 bit keys. Do we support anything else right now?
if (signature.length() != 512) {
toast("Bad signature length! Expected 256 bytes, got " + signature.length() / 2);
return null;