diff options
Diffstat (limited to 'java-c-jni/SHA3.java')
| -rw-r--r-- | java-c-jni/SHA3.java | 201 |
1 files changed, 192 insertions, 9 deletions
diff --git a/java-c-jni/SHA3.java b/java-c-jni/SHA3.java index 1a4067b..4be013e 100644 --- a/java-c-jni/SHA3.java +++ b/java-c-jni/SHA3.java @@ -28,6 +28,28 @@ import java.util.*; public class SHA3 { /** + * Suffix the message when calculating the Keccak hash sum + */ + public static final String KECCAK_SUFFIX = ""; + + /** + * Suffix the message when calculating the SHA-3 hash sum + */ + public static final String SHA3_SUFFIX = "01"; + + /** + * Suffix the message when calculating the RawSHAKE hash sum + */ + public static final String RawSHAKE_SUFFIX = "11"; + + /** + * Suffix the message when calculating the SHAKE hash sum + */ + public static final String SHAKE_SUFFIX = "1111"; + + + + /** * Hidden constructor */ private SHA3() @@ -91,19 +113,44 @@ public class SHA3 */ public static byte[] digest() { - return digest(null, 0, true); + return digest(null, 0, 0, SHA3.SHA3_SUFFIX, true); } /** * Squeeze the Keccak sponge * - * @paran withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} + * @param suffix The suffix concatenate to the message + * @return The hash sum + */ + public static byte[] digest(String suffix) + { + return digest(null, 0, 0, suffix, true); + } + + + /** + * Squeeze the Keccak sponge + * + * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} */ public static byte[] digest(boolean withReturn) { - return digest(null, 0, withReturn); + return digest(null, 0, 0, SHA3.SHA3_SUFFIX, withReturn); + } + + + /** + * Squeeze the Keccak sponge + * + * @param suffix The suffix concatenate to the message + * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} + * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} + */ + public static byte[] digest(String suffix, boolean withReturn) + { + return digest(null, 0, 0, suffix, withReturn); } @@ -115,7 +162,20 @@ public class SHA3 */ public static byte[] digest(byte[] msg) { - return digest(msg, msg == null ? 0 : msg.length, true); + return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, true); + } + + + /** + * Absorb the last part of the message and squeeze the Keccak sponge + * + * @param msg The rest of the message + * @param suffix The suffix concatenate to the message + * @return The hash sum + */ + public static byte[] digest(byte[] msg, String suffix) + { + return digest(msg, msg == null ? 0 : msg.length, 0, suffix, true); } @@ -123,12 +183,26 @@ public class SHA3 * Absorb the last part of the message and squeeze the Keccak sponge * * @param msg The rest of the message - * @paran withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} + * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} */ public static byte[] digest(byte[] msg, boolean withReturn) { - return digest(msg, msg == null ? 0 : msg.length, withReturn); + return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, withReturn); + } + + + /** + * Absorb the last part of the message and squeeze the Keccak sponge + * + * @param msg The rest of the message + * @param suffix The suffix concatenate to the message + * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} + * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} + */ + public static byte[] digest(byte[] msg, String suffix, boolean withReturn) + { + return digest(msg, msg == null ? 0 : msg.length, 0, suffix, withReturn); } @@ -136,12 +210,119 @@ public class SHA3 * Absorb the last part of the message and squeeze the Keccak sponge * * @param msg The rest of the message - * @param msglen The length of the partial message + * @param msglen The length of the partial message in while bytes * @return The hash sum */ public static byte[] digest(byte[] msg, int msglen) { - return digest(msg, msg == null ? 0 : msg.length, true); + return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, true); + } + + + /** + * Absorb the last part of the message and squeeze the Keccak sponge + * + * @param msg The rest of the message + * @param msglen The length of the partial message in while bytes + * @param suffix The suffix concatenate to the message + * @return The hash sum + */ + public static byte[] digest(byte[] msg, int msglen, String suffix) + { + return digest(msg, msg == null ? 0 : msg.length, 0, suffix, true); + } + + + /** + * Absorb the last part of the message and squeeze the Keccak sponge + * + * @param msg The rest of the message + * @param msglen The length of the partial message in while bytes + * @param bits The number of bits at the end of the message not covered by <tt>msglen</tt> + * @return The hash sum + */ + public static byte[] digest(byte[] msg, int msglen, int bits) + { + return digest(msg, msg == null ? 0 : msg.length, bits, SHA3.SHA3_SUFFIX, true); + } + + + /** + * Absorb the last part of the message and squeeze the Keccak sponge + * + * @param msg The rest of the message + * @param msglen The length of the partial message in while bytes + * @param bits The number of bits at the end of the message not covered by <tt>msglen</tt> + * @param suffix The suffix concatenate to the message + * @return The hash sum + */ + public static byte[] digest(byte[] msg, int msglen, int bits, String suffix) + { + return digest(msg, msg == null ? 0 : msg.length, bits, suffix, true); + } + + + /** + * Absorb the last part of the message and squeeze the Keccak sponge + * + * @param msg The rest of the message + * @param msglen The length of the partial message in while bytes + * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} + * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} + */ + public static byte[] digest(byte[] msg, int msglen, boolean withReturn) + { + return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, withReturn); + } + + + /** + * Absorb the last part of the message and squeeze the Keccak sponge + * + * @param msg The rest of the message + * @param msglen The length of the partial message in while bytes + * @param suffix The suffix concatenate to the message + * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} + * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} + */ + public static byte[] digest(byte[] msg, int msglen, String suffix, boolean withReturn) + { + return digest(msg, msg == null ? 0 : msg.length, 0, suffix, withReturn); + } + + + /** + * Absorb the last part of the message and squeeze the Keccak sponge + * + * @param msg The rest of the message + * @param msglen The length of the partial message in while bytes + * @param bits The number of bits at the end of the message not covered by <tt>msglen</tt> + * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} + * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} + */ + public static byte[] digest(byte[] msg, int msglen, int bits, boolean withReturn) + { + return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, withReturn); + } + + + /** + * Absorb the last part of the message and squeeze the Keccak sponge + * + * @param msg The rest of the message + * @param msglen The length of the partial message + * @param bits The number of bits at the end of the message not covered by <tt>msglen</tt> + * @param suffix The suffix concatenate to the message + * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} + * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} + */ + public static byte[] digest(byte[] msg, int msglen, int bits, String suffix, boolean withReturn) + { + int[] suffix_ = new int[suffix.length()]; + for (int i = 0, n = suffix_.length; i < n; i++) + suffix_[i] = suffix.charAt(i) == '1' ? 1 : 0; + + return digest(msg, msglen, bits, suffix_, withReturn); } @@ -150,10 +331,12 @@ public class SHA3 * * @param msg The rest of the message * @param msglen The length of the partial message + * @param bits The number of bits at the end of the message not covered by <tt>msglen</tt> + * @param suffix The suffix concatenate to the message * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} */ - public static native byte[] digest(byte[] msg, int msglen, boolean withReturn); + public static native byte[] digest(byte[] msg, int msglen, int bits, int[] suffix, boolean withReturn); /** |