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-rw-r--r--libjava/classpath/gnu/java/security/hash/Sha384.java203
1 files changed, 80 insertions, 123 deletions
diff --git a/libjava/classpath/gnu/java/security/hash/Sha384.java b/libjava/classpath/gnu/java/security/hash/Sha384.java
index 332f048d782..a47eb67db95 100644
--- a/libjava/classpath/gnu/java/security/hash/Sha384.java
+++ b/libjava/classpath/gnu/java/security/hash/Sha384.java
@@ -42,66 +42,52 @@ import gnu.java.security.Registry;
import gnu.java.security.util.Util;
/**
- * <p>Implementation of SHA2-2 [SHA-384] per the IETF Draft Specification.</p>
- *
- * <p>References:</p>
+ * Implementation of SHA2-2 [SHA-384] per the IETF Draft Specification.
+ * <p>
+ * References:
* <ol>
* <li><a href="http://ftp.ipv4.heanet.ie/pub/ietf/internet-drafts/draft-ietf-ipsec-ciph-aes-cbc-03.txt">
* Descriptions of SHA-256, SHA-384, and SHA-512</a>,</li>
* <li>http://csrc.nist.gov/cryptval/shs/sha256-384-512.pdf</li>
* </ol>
*/
-public class Sha384 extends BaseHash
+public class Sha384
+ extends BaseHash
{
-
- // Constants and variables
- // -------------------------------------------------------------------------
-
- private static final long[] k = { 0x428a2f98d728ae22L, 0x7137449123ef65cdL,
- 0xb5c0fbcfec4d3b2fL, 0xe9b5dba58189dbbcL,
- 0x3956c25bf348b538L, 0x59f111f1b605d019L,
- 0x923f82a4af194f9bL, 0xab1c5ed5da6d8118L,
- 0xd807aa98a3030242L, 0x12835b0145706fbeL,
- 0x243185be4ee4b28cL, 0x550c7dc3d5ffb4e2L,
- 0x72be5d74f27b896fL, 0x80deb1fe3b1696b1L,
- 0x9bdc06a725c71235L, 0xc19bf174cf692694L,
- 0xe49b69c19ef14ad2L, 0xefbe4786384f25e3L,
- 0x0fc19dc68b8cd5b5L, 0x240ca1cc77ac9c65L,
- 0x2de92c6f592b0275L, 0x4a7484aa6ea6e483L,
- 0x5cb0a9dcbd41fbd4L, 0x76f988da831153b5L,
- 0x983e5152ee66dfabL, 0xa831c66d2db43210L,
- 0xb00327c898fb213fL, 0xbf597fc7beef0ee4L,
- 0xc6e00bf33da88fc2L, 0xd5a79147930aa725L,
- 0x06ca6351e003826fL, 0x142929670a0e6e70L,
- 0x27b70a8546d22ffcL, 0x2e1b21385c26c926L,
- 0x4d2c6dfc5ac42aedL, 0x53380d139d95b3dfL,
- 0x650a73548baf63deL, 0x766a0abb3c77b2a8L,
- 0x81c2c92e47edaee6L, 0x92722c851482353bL,
- 0xa2bfe8a14cf10364L, 0xa81a664bbc423001L,
- 0xc24b8b70d0f89791L, 0xc76c51a30654be30L,
- 0xd192e819d6ef5218L, 0xd69906245565a910L,
- 0xf40e35855771202aL, 0x106aa07032bbd1b8L,
- 0x19a4c116b8d2d0c8L, 0x1e376c085141ab53L,
- 0x2748774cdf8eeb99L, 0x34b0bcb5e19b48a8L,
- 0x391c0cb3c5c95a63L, 0x4ed8aa4ae3418acbL,
- 0x5b9cca4f7763e373L, 0x682e6ff3d6b2b8a3L,
- 0x748f82ee5defb2fcL, 0x78a5636f43172f60L,
- 0x84c87814a1f0ab72L, 0x8cc702081a6439ecL,
- 0x90befffa23631e28L, 0xa4506cebde82bde9L,
- 0xbef9a3f7b2c67915L, 0xc67178f2e372532bL,
- 0xca273eceea26619cL, 0xd186b8c721c0c207L,
- 0xeada7dd6cde0eb1eL, 0xf57d4f7fee6ed178L,
- 0x06f067aa72176fbaL, 0x0a637dc5a2c898a6L,
- 0x113f9804bef90daeL, 0x1b710b35131c471bL,
- 0x28db77f523047d84L, 0x32caab7b40c72493L,
- 0x3c9ebe0a15c9bebcL, 0x431d67c49c100d4cL,
- 0x4cc5d4becb3e42b6L, 0x597f299cfc657e2aL,
- 0x5fcb6fab3ad6faecL, 0x6c44198c4a475817L };
+ private static final long[] k = {
+ 0x428a2f98d728ae22L, 0x7137449123ef65cdL, 0xb5c0fbcfec4d3b2fL,
+ 0xe9b5dba58189dbbcL, 0x3956c25bf348b538L, 0x59f111f1b605d019L,
+ 0x923f82a4af194f9bL, 0xab1c5ed5da6d8118L, 0xd807aa98a3030242L,
+ 0x12835b0145706fbeL, 0x243185be4ee4b28cL, 0x550c7dc3d5ffb4e2L,
+ 0x72be5d74f27b896fL, 0x80deb1fe3b1696b1L, 0x9bdc06a725c71235L,
+ 0xc19bf174cf692694L, 0xe49b69c19ef14ad2L, 0xefbe4786384f25e3L,
+ 0x0fc19dc68b8cd5b5L, 0x240ca1cc77ac9c65L, 0x2de92c6f592b0275L,
+ 0x4a7484aa6ea6e483L, 0x5cb0a9dcbd41fbd4L, 0x76f988da831153b5L,
+ 0x983e5152ee66dfabL, 0xa831c66d2db43210L, 0xb00327c898fb213fL,
+ 0xbf597fc7beef0ee4L, 0xc6e00bf33da88fc2L, 0xd5a79147930aa725L,
+ 0x06ca6351e003826fL, 0x142929670a0e6e70L, 0x27b70a8546d22ffcL,
+ 0x2e1b21385c26c926L, 0x4d2c6dfc5ac42aedL, 0x53380d139d95b3dfL,
+ 0x650a73548baf63deL, 0x766a0abb3c77b2a8L, 0x81c2c92e47edaee6L,
+ 0x92722c851482353bL, 0xa2bfe8a14cf10364L, 0xa81a664bbc423001L,
+ 0xc24b8b70d0f89791L, 0xc76c51a30654be30L, 0xd192e819d6ef5218L,
+ 0xd69906245565a910L, 0xf40e35855771202aL, 0x106aa07032bbd1b8L,
+ 0x19a4c116b8d2d0c8L, 0x1e376c085141ab53L, 0x2748774cdf8eeb99L,
+ 0x34b0bcb5e19b48a8L, 0x391c0cb3c5c95a63L, 0x4ed8aa4ae3418acbL,
+ 0x5b9cca4f7763e373L, 0x682e6ff3d6b2b8a3L, 0x748f82ee5defb2fcL,
+ 0x78a5636f43172f60L, 0x84c87814a1f0ab72L, 0x8cc702081a6439ecL,
+ 0x90befffa23631e28L, 0xa4506cebde82bde9L, 0xbef9a3f7b2c67915L,
+ 0xc67178f2e372532bL, 0xca273eceea26619cL, 0xd186b8c721c0c207L,
+ 0xeada7dd6cde0eb1eL, 0xf57d4f7fee6ed178L, 0x06f067aa72176fbaL,
+ 0x0a637dc5a2c898a6L, 0x113f9804bef90daeL, 0x1b710b35131c471bL,
+ 0x28db77f523047d84L, 0x32caab7b40c72493L, 0x3c9ebe0a15c9bebcL,
+ 0x431d67c49c100d4cL, 0x4cc5d4becb3e42b6L, 0x597f299cfc657e2aL,
+ 0x5fcb6fab3ad6faecL, 0x6c44198c4a475817L };
private static final int BLOCK_SIZE = 128; // inner block size in bytes
- private static final String DIGEST0 = "CB00753F45A35E8BB5A03D699AC65007272C32AB0EDED1631A8B605A43FF5BED"
- + "8086072BA1E7CC2358BAECA134C825A7";
+ private static final String DIGEST0 =
+ "CB00753F45A35E8BB5A03D699AC65007272C32AB0EDED1631A8B605A43FF5BED"
+ + "8086072BA1E7CC2358BAECA134C825A7";
private static final long[] w = new long[80];
@@ -111,9 +97,6 @@ public class Sha384 extends BaseHash
/** 512-bit interim result. */
private long h0, h1, h2, h3, h4, h5, h6, h7;
- // Constructor(s)
- // -------------------------------------------------------------------------
-
/** Trivial 0-arguments constructor. */
public Sha384()
{
@@ -121,7 +104,7 @@ public class Sha384 extends BaseHash
}
/**
- * <p>Private constructor for cloning purposes.</p>
+ * Private constructor for cloning purposes.
*
* @param md the instance to clone.
*/
@@ -141,9 +124,6 @@ public class Sha384 extends BaseHash
this.buffer = (byte[]) md.buffer.clone();
}
- // Class methods
- // -------------------------------------------------------------------------
-
public static final long[] G(long hh0, long hh1, long hh2, long hh3,
long hh4, long hh5, long hh6, long hh7,
byte[] in, int offset)
@@ -151,22 +131,14 @@ public class Sha384 extends BaseHash
return sha(hh0, hh1, hh2, hh3, hh4, hh5, hh6, hh7, in, offset);
}
- // Instance methods
- // -------------------------------------------------------------------------
-
- // java.lang.Cloneable interface implementation ----------------------------
-
public Object clone()
{
return new Sha384(this);
}
- // Implementation of concrete methods in BaseHash --------------------------
-
protected void transform(byte[] in, int offset)
{
long[] result = sha(h0, h1, h2, h3, h4, h5, h6, h7, in, offset);
-
h0 = result[0];
h1 = result[1];
h2 = result[2];
@@ -179,57 +151,41 @@ public class Sha384 extends BaseHash
protected byte[] padBuffer()
{
- int n = (int) (count % BLOCK_SIZE);
+ int n = (int)(count % BLOCK_SIZE);
int padding = (n < 112) ? (112 - n) : (240 - n);
byte[] result = new byte[padding + 16];
-
// padding is always binary 1 followed by binary 0s
result[0] = (byte) 0x80;
-
// save number of bits, casting the long to an array of 8 bytes
// TODO: FIX Only ~35 bits of 128 bit counter usable this way
long bits = count << 3;
padding += 8;
- result[padding++] = (byte) (bits >>> 56);
- result[padding++] = (byte) (bits >>> 48);
- result[padding++] = (byte) (bits >>> 40);
- result[padding++] = (byte) (bits >>> 32);
- result[padding++] = (byte) (bits >>> 24);
- result[padding++] = (byte) (bits >>> 16);
- result[padding++] = (byte) (bits >>> 8);
- result[padding] = (byte) bits;
-
+ result[padding++] = (byte)(bits >>> 56);
+ result[padding++] = (byte)(bits >>> 48);
+ result[padding++] = (byte)(bits >>> 40);
+ result[padding++] = (byte)(bits >>> 32);
+ result[padding++] = (byte)(bits >>> 24);
+ result[padding++] = (byte)(bits >>> 16);
+ result[padding++] = (byte)(bits >>> 8);
+ result[padding ] = (byte) bits;
return result;
}
protected byte[] getResult()
{
- return new byte[] { (byte) (h0 >>> 56), (byte) (h0 >>> 48),
- (byte) (h0 >>> 40), (byte) (h0 >>> 32),
- (byte) (h0 >>> 24), (byte) (h0 >>> 16),
- (byte) (h0 >>> 8), (byte) h0, (byte) (h1 >>> 56),
- (byte) (h1 >>> 48), (byte) (h1 >>> 40),
- (byte) (h1 >>> 32), (byte) (h1 >>> 24),
- (byte) (h1 >>> 16), (byte) (h1 >>> 8), (byte) h1,
- (byte) (h2 >>> 56), (byte) (h2 >>> 48),
- (byte) (h2 >>> 40), (byte) (h2 >>> 32),
- (byte) (h2 >>> 24), (byte) (h2 >>> 16),
- (byte) (h2 >>> 8), (byte) h2, (byte) (h3 >>> 56),
- (byte) (h3 >>> 48), (byte) (h3 >>> 40),
- (byte) (h3 >>> 32), (byte) (h3 >>> 24),
- (byte) (h3 >>> 16), (byte) (h3 >>> 8), (byte) h3,
- (byte) (h4 >>> 56), (byte) (h4 >>> 48),
- (byte) (h4 >>> 40), (byte) (h4 >>> 32),
- (byte) (h4 >>> 24), (byte) (h4 >>> 16),
- (byte) (h4 >>> 8), (byte) h4, (byte) (h5 >>> 56),
- (byte) (h5 >>> 48), (byte) (h5 >>> 40),
- (byte) (h5 >>> 32), (byte) (h5 >>> 24),
- (byte) (h5 >>> 16), (byte) (h5 >>> 8), (byte) h5
- // (byte)(h6 >>> 56), (byte)(h6 >>> 48), (byte)(h6 >>> 40), (byte)(h6 >>> 32),
- // (byte)(h6 >>> 24), (byte)(h6 >>> 16), (byte)(h6 >>> 8), (byte) h6,
- // (byte)(h7 >>> 56), (byte)(h7 >>> 48), (byte)(h7 >>> 40), (byte)(h7 >>> 32),
- // (byte)(h7 >>> 24), (byte)(h7 >>> 16), (byte)(h7 >>> 8), (byte) h7
- };
+ return new byte[] {
+ (byte)(h0 >>> 56), (byte)(h0 >>> 48), (byte)(h0 >>> 40), (byte)(h0 >>> 32),
+ (byte)(h0 >>> 24), (byte)(h0 >>> 16), (byte)(h0 >>> 8), (byte) h0,
+ (byte)(h1 >>> 56), (byte)(h1 >>> 48), (byte)(h1 >>> 40), (byte)(h1 >>> 32),
+ (byte)(h1 >>> 24), (byte)(h1 >>> 16), (byte)(h1 >>> 8), (byte) h1,
+ (byte)(h2 >>> 56), (byte)(h2 >>> 48), (byte)(h2 >>> 40), (byte)(h2 >>> 32),
+ (byte)(h2 >>> 24), (byte)(h2 >>> 16), (byte)(h2 >>> 8), (byte) h2,
+ (byte)(h3 >>> 56), (byte)(h3 >>> 48), (byte)(h3 >>> 40), (byte)(h3 >>> 32),
+ (byte)(h3 >>> 24), (byte)(h3 >>> 16), (byte)(h3 >>> 8), (byte) h3,
+ (byte)(h4 >>> 56), (byte)(h4 >>> 48), (byte)(h4 >>> 40), (byte)(h4 >>> 32),
+ (byte)(h4 >>> 24), (byte)(h4 >>> 16), (byte)(h4 >>> 8), (byte) h4,
+ (byte)(h5 >>> 56), (byte)(h5 >>> 48), (byte)(h5 >>> 40), (byte)(h5 >>> 32),
+ (byte)(h5 >>> 24), (byte)(h5 >>> 16), (byte)(h5 >>> 8), (byte) h5 };
}
protected void resetContext()
@@ -259,9 +215,7 @@ public class Sha384 extends BaseHash
return valid.booleanValue();
}
- // SHA specific methods ----------------------------------------------------
-
- private static final synchronized long[] sha(long hh0, long hh1, long hh2,
+ private static synchronized final long[] sha(long hh0, long hh1, long hh2,
long hh3, long hh4, long hh5,
long hh6, long hh7, byte[] in,
int offset)
@@ -276,35 +230,38 @@ public class Sha384 extends BaseHash
long H = hh7;
long T, T2;
int r;
-
for (r = 0; r < 16; r++)
- {
- w[r] = (long) in[offset++] << 56 | ((long) in[offset++] & 0xFF) << 48
- | ((long) in[offset++] & 0xFF) << 40
- | ((long) in[offset++] & 0xFF) << 32
- | ((long) in[offset++] & 0xFF) << 24
- | ((long) in[offset++] & 0xFF) << 16
- | ((long) in[offset++] & 0xFF) << 8
- | ((long) in[offset++] & 0xFF);
- }
+ w[r] = (long) in[offset++] << 56
+ | ((long) in[offset++] & 0xFF) << 48
+ | ((long) in[offset++] & 0xFF) << 40
+ | ((long) in[offset++] & 0xFF) << 32
+ | ((long) in[offset++] & 0xFF) << 24
+ | ((long) in[offset++] & 0xFF) << 16
+ | ((long) in[offset++] & 0xFF) << 8
+ | ((long) in[offset++] & 0xFF);
for (r = 16; r < 80; r++)
{
T = w[r - 2];
T2 = w[r - 15];
w[r] = (((T >>> 19) | (T << 45)) ^ ((T >>> 61) | (T << 3)) ^ (T >>> 6))
+ w[r - 7]
- + (((T2 >>> 1) | (T2 << 63)) ^ ((T2 >>> 8) | (T2 << 56)) ^ (T2 >>> 7))
+ + (((T2 >>> 1) | (T2 << 63))
+ ^ ((T2 >>> 8) | (T2 << 56))
+ ^ (T2 >>> 7))
+ w[r - 16];
}
-
for (r = 0; r < 80; r++)
{
T = H
- + (((E >>> 14) | (E << 50)) ^ ((E >>> 18) | (E << 46)) ^ ((E >>> 41) | (E << 23)))
+ + (((E >>> 14) | (E << 50))
+ ^ ((E >>> 18) | (E << 46))
+ ^ ((E >>> 41) | (E << 23)))
+ ((E & F) ^ ((~E) & G)) + k[r] + w[r];
// T IS INCORRECT SOMEHOW
- T2 = (((A >>> 28) | (A << 36)) ^ ((A >>> 34) | (A << 30)) ^ ((A >>> 39) | (A << 25)))
+ T2 = (((A >>> 28) | (A << 36))
+ ^ ((A >>> 34) | (A << 30))
+ ^ ((A >>> 39) | (A << 25)))
+ ((A & B) ^ (A & C) ^ (B & C));
H = G;
G = F;
@@ -315,8 +272,8 @@ public class Sha384 extends BaseHash
B = A;
A = T + T2;
}
-
- return new long[] { hh0 + A, hh1 + B, hh2 + C, hh3 + D, hh4 + E, hh5 + F,
- hh6 + G, hh7 + H };
+ return new long[] {
+ hh0 + A, hh1 + B, hh2 + C, hh3 + D,
+ hh4 + E, hh5 + F, hh6 + G, hh7 + H };
}
}
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