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authorMichael Vogt <michael.vogt@ubuntu.com>2009-07-30 15:31:39 +0200
committerMichael Vogt <michael.vogt@ubuntu.com>2009-07-30 15:31:39 +0200
commit57722714255118560c98b3245413ff5f693b993c (patch)
tree48f4e1c25d7fd07bdbec6e7effa792739c157402 /apt-pkg/contrib/sha256.cc
parent8dfb8a0ab2c2a06e319678701c144e5156d7e869 (diff)
parentd5752e18bed18c706c93f5c43c61016c72132ede (diff)
merged from debian-sid
Diffstat (limited to 'apt-pkg/contrib/sha256.cc')
-rw-r--r--apt-pkg/contrib/sha256.cc32
1 files changed, 13 insertions, 19 deletions
diff --git a/apt-pkg/contrib/sha256.cc b/apt-pkg/contrib/sha256.cc
index ecda3d8e8..e380c13ae 100644
--- a/apt-pkg/contrib/sha256.cc
+++ b/apt-pkg/contrib/sha256.cc
@@ -1,5 +1,5 @@
/*
- * Cryptographic API.
+ * Cryptographic API. {{{
*
* SHA-256, as specified in
* http://csrc.nist.gov/cryptval/shs/sha256-384-512.pdf
@@ -17,7 +17,7 @@
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
- */
+ */ /*}}}*/
#ifdef __GNUG__
#pragma implementation "apt-pkg/sha256.h"
@@ -65,20 +65,20 @@ static inline u32 Maj(u32 x, u32 y, u32 z)
#define H6 0x1f83d9ab
#define H7 0x5be0cd19
-static inline void LOAD_OP(int I, u32 *W, const u8 *input)
+static inline void LOAD_OP(int I, u32 *W, const u8 *input) /*{{{*/
{
W[I] = ( ((u32) input[I * 4 + 0] << 24)
| ((u32) input[I * 4 + 1] << 16)
| ((u32) input[I * 4 + 2] << 8)
| ((u32) input[I * 4 + 3]));
}
-
+ /*}}}*/
static inline void BLEND_OP(int I, u32 *W)
{
W[I] = s1(W[I-2]) + W[I-7] + s0(W[I-15]) + W[I-16];
}
-static void sha256_transform(u32 *state, const u8 *input)
+static void sha256_transform(u32 *state, const u8 *input) /*{{{*/
{
u32 a, b, c, d, e, f, g, h, t1, t2;
u32 W[64];
@@ -240,8 +240,8 @@ static void sha256_transform(u32 *state, const u8 *input)
a = b = c = d = e = f = g = h = t1 = t2 = 0;
memset(W, 0, 64 * sizeof(u32));
}
-
-SHA256Summation::SHA256Summation()
+ /*}}}*/
+SHA256Summation::SHA256Summation() /*{{{*/
{
Sum.state[0] = H0;
Sum.state[1] = H1;
@@ -255,8 +255,8 @@ SHA256Summation::SHA256Summation()
memset(Sum.buf, 0, sizeof(Sum.buf));
Done = false;
}
-
-bool SHA256Summation::Add(const u8 *data, unsigned long len)
+ /*}}}*/
+bool SHA256Summation::Add(const u8 *data, unsigned long len) /*{{{*/
{
struct sha256_ctx *sctx = &Sum;
unsigned int i, index, part_len;
@@ -291,8 +291,8 @@ bool SHA256Summation::Add(const u8 *data, unsigned long len)
return true;
}
-
-SHA256SumValue SHA256Summation::Result()
+ /*}}}*/
+SHA256SumValue SHA256Summation::Result() /*{{{*/
{
struct sha256_ctx *sctx = &Sum;
if (!Done) {
@@ -340,7 +340,7 @@ SHA256SumValue SHA256Summation::Result()
return res;
}
-
+ /*}}}*/
// SHA256SumValue::SHA256SumValue - Constructs the sum from a string /*{{{*/
// ---------------------------------------------------------------------
/* The string form of a SHA256 is a 64 character hex number */
@@ -349,7 +349,6 @@ SHA256SumValue::SHA256SumValue(string Str)
memset(Sum,0,sizeof(Sum));
Set(Str);
}
-
/*}}}*/
// SHA256SumValue::SHA256SumValue - Default constructor /*{{{*/
// ---------------------------------------------------------------------
@@ -358,7 +357,6 @@ SHA256SumValue::SHA256SumValue()
{
memset(Sum,0,sizeof(Sum));
}
-
/*}}}*/
// SHA256SumValue::Set - Set the sum from a string /*{{{*/
// ---------------------------------------------------------------------
@@ -391,9 +389,7 @@ string SHA256SumValue::Value() const
return string(Result);
}
-
-
-
+ /*}}}*/
// SHA256SumValue::operator == - Comparator /*{{{*/
// ---------------------------------------------------------------------
/* Call memcmp on the buffer */
@@ -402,8 +398,6 @@ bool SHA256SumValue::operator == (const SHA256SumValue & rhs) const
return memcmp(Sum,rhs.Sum,sizeof(Sum)) == 0;
}
/*}}}*/
-
-
// SHA256Summation::AddFD - Add content of file into the checksum /*{{{*/
// ---------------------------------------------------------------------
/* */