diff options
Diffstat (limited to 'apt-pkg/contrib/sha256.cc')
| -rw-r--r-- | apt-pkg/contrib/sha256.cc | 32 |
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 = ∑ 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 = ∑ 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 /*{{{*/ // --------------------------------------------------------------------- /* */ |