Changed the root package from net.sf.briar to org.briarproject.

briar-api/src/org/briarproject/api/AuthorConstants.java

@@ -0,0 +1,31 @@
+package org.briarproject.api;
+
+public interface AuthorConstants {
+
+	/** The maximum length of an author's name in UTF-8 bytes. */
+	int MAX_AUTHOR_NAME_LENGTH = 50;
+
+	/**
+	 * The maximum length of a public key in bytes.
+	 * <p>
+	 * Public keys use SEC1 format: 0x04 x y, where x and y are unsigned
+	 * big-endian integers.
+	 * <p>
+	 * For a 384-bit elliptic curve, the maximum length is 2 * (384/8) + 1.
+	 */
+	int MAX_PUBLIC_KEY_LENGTH = 97;
+
+	/**
+	 * The maximum length of a signature in bytes.
+	 * <p>
+	 * A signature is an ASN.1 DER sequence containing two integers, r and s.
+	 * The format is 0x30 len1 0x02 len2 r 0x02 len3 s, where len1 is
+	 * len(0x02 len2 r 0x02 len3 s) as a DER length, len2 is len(r) as a DER
+	 * length, len3 is len(s) as a DER length, and r and s are signed
+	 * big-endian integers of minimal length.
+	 * <p>
+	 * For a 384-bit elliptic curve, the lengths are one byte each, so the
+	 * maximum length is 2 * (384/8) + 8.
+	 */
+	int MAX_SIGNATURE_LENGTH = 104;
+}