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author | Roberto Tyley <roberto.tyley@gmail.com> | 2014-07-15 01:38:01 +0400 |
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committer | Roberto Tyley <roberto.tyley@gmail.com> | 2014-07-26 11:23:17 +0400 |
commit | 7cb752aaf746dc0b473afeb9e892b7fbc12666c5 (patch) | |
tree | cc4f91ddc18332b5adbe82e3fcb040d976c90105 /core/src/main/java/org/spongycastle/crypto/tls/DigitallySigned.java | |
parent | 551830f8ea5177042af2c7dd1fc90888bc67387d (diff) |
Execute become-spongy.sh
https://github.com/rtyley/spongycastle/blob/3040af/become-spongy.sh
Diffstat (limited to 'core/src/main/java/org/spongycastle/crypto/tls/DigitallySigned.java')
-rw-r--r-- | core/src/main/java/org/spongycastle/crypto/tls/DigitallySigned.java | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/core/src/main/java/org/spongycastle/crypto/tls/DigitallySigned.java b/core/src/main/java/org/spongycastle/crypto/tls/DigitallySigned.java new file mode 100644 index 00000000..8ab8a8d4 --- /dev/null +++ b/core/src/main/java/org/spongycastle/crypto/tls/DigitallySigned.java @@ -0,0 +1,72 @@ +package org.spongycastle.crypto.tls; + +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; + +public class DigitallySigned +{ + protected SignatureAndHashAlgorithm algorithm; + protected byte[] signature; + + public DigitallySigned(SignatureAndHashAlgorithm algorithm, byte[] signature) + { + if (signature == null) + { + throw new IllegalArgumentException("'signature' cannot be null"); + } + + this.algorithm = algorithm; + this.signature = signature; + } + + /** + * @return a {@link SignatureAndHashAlgorithm} (or null before TLS 1.2). + */ + public SignatureAndHashAlgorithm getAlgorithm() + { + return algorithm; + } + + public byte[] getSignature() + { + return signature; + } + + /** + * Encode this {@link DigitallySigned} to an {@link OutputStream}. + * + * @param output + * the {@link OutputStream} to encode to. + * @throws IOException + */ + public void encode(OutputStream output) throws IOException + { + if (algorithm != null) + { + algorithm.encode(output); + } + TlsUtils.writeOpaque16(signature, output); + } + + /** + * Parse a {@link DigitallySigned} from an {@link InputStream}. + * + * @param context + * the {@link TlsContext} of the current connection. + * @param input + * the {@link InputStream} to parse from. + * @return a {@link DigitallySigned} object. + * @throws IOException + */ + public static DigitallySigned parse(TlsContext context, InputStream input) throws IOException + { + SignatureAndHashAlgorithm algorithm = null; + if (TlsUtils.isTLSv12(context)) + { + algorithm = SignatureAndHashAlgorithm.parse(input); + } + byte[] signature = TlsUtils.readOpaque16(input); + return new DigitallySigned(algorithm, signature); + } +} |