diff options
Diffstat (limited to '')
| -rw-r--r-- | crypto/src/openpgp/PgpPublicKeyEncryptedData.cs | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/crypto/src/openpgp/PgpPublicKeyEncryptedData.cs b/crypto/src/openpgp/PgpPublicKeyEncryptedData.cs index c2a351182..78d4d575c 100644 --- a/crypto/src/openpgp/PgpPublicKeyEncryptedData.cs +++ b/crypto/src/openpgp/PgpPublicKeyEncryptedData.cs @@ -197,12 +197,17 @@ namespace Org.BouncyCastle.Bcpg.OpenPgp byte[] enc = secKeyData[0]; int pLen = ((((enc[0] & 0xff) << 8) + (enc[1] & 0xff)) + 7) / 8; - byte[] pEnc = new byte[pLen]; + if ((2 + pLen + 1) > enc.Length) + throw new PgpException("encoded length out of range"); + byte[] pEnc = new byte[pLen]; Array.Copy(enc, 2, pEnc, 0, pLen); - byte[] keyEnc = new byte[enc[pLen + 2]]; + int keyLen = enc[pLen + 2]; + if ((2 + pLen + 1 + keyLen) > enc.length) + throw new PgpException("encoded length out of range"); + byte[] keyEnc = new byte[keyLen]; Array.Copy(enc, 2 + pLen + 1, keyEnc, 0, keyEnc.Length); ECPoint publicPoint = x9Params.Curve.DecodePoint(pEnc); |