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< div id = "projectname" > libaaruformat< span id = "projectnumber" >   1.0< / span >
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< div id = "projectbrief" > Aaru Data Preservation Suite - Format Library< / div >
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< a href = "sha256_8c.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "comment" > /*< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < span class = "comment" > * Public domain / MIT SHA-256 implementation for libaaruformat.< / span > < / div >
< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "comment" > *< / span > < / div >
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > 4< / span > < span class = "comment" > * Reference: FIPS PUB 180-4.< / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > */< / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < span class = "preprocessor" > #include < stdbool.h> < / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "preprocessor" > #include < stdint.h> < / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "preprocessor" > #include < stdio.h> < / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "preprocessor" > #include < string.h> < / span > < / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > < / div >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < span class = "preprocessor" > #include " < a class = "code" href = "decls_8h.html" > decls.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "preprocessor" > #include " < a class = "code" href = "sha256_8h.html" > sha256.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "preprocessor" > #ifndef AARU_LOCAL< / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > < a class = "line" href = "sha256_8c.html#a8a7eac34f7a0caaa0d4a57e9627ba173" > 15< / a > < / span > < span class = "preprocessor" > #define AARU_LOCAL static< / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < span class = "preprocessor" > #if defined(_MSC_VER)< / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < span class = "preprocessor" > #define ROTR32(x, n) _rotr((x), (n))< / span > < / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < span class = "preprocessor" > #else< / span > < / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > < a class = "line" href = "sha256_8c.html#a4b0e17ca4e86b51c122d174c3e0ab483" > 21< / a > < / span > < span class = "preprocessor" > #define ROTR32(x, n) (((x) > > (n)) | ((x) < < (32 - (n))))< / span > < / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > < / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > < a class = "line" href = "sha256_8c.html#ab0a0d1ad13c7e4d3cb38c89f7127c85a" > 24< / a > < / span > < span class = "preprocessor" > #define Ch(x, y, z) (((x) & (y)) ^ (~(x) & (z)))< / span > < / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > < a class = "line" href = "sha256_8c.html#a447cd1d7fb703b62666400976be24bf3" > 25< / a > < / span > < span class = "preprocessor" > #define Maj(x, y, z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))< / span > < / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > < a class = "line" href = "sha256_8c.html#a96d7103a3e033278293207e23a9187cd" > 26< / a > < / span > < span class = "preprocessor" > #define SIGMA0(x) (ROTR32((x), 2) ^ ROTR32((x), 13) ^ ROTR32((x), 22))< / span > < / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > < a class = "line" href = "sha256_8c.html#ad73ff0c2b937d2657b21f58eca4d1d7c" > 27< / a > < / span > < span class = "preprocessor" > #define SIGMA1(x) (ROTR32((x), 6) ^ ROTR32((x), 11) ^ ROTR32((x), 25))< / span > < / div >
< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > < a class = "line" href = "sha256_8c.html#a672bd39bdf2f6dc295a23ddd109175ff" > 28< / a > < / span > < span class = "preprocessor" > #define sigma0(x) (ROTR32((x), 7) ^ ROTR32((x), 18) ^ ((x) > > 3))< / span > < / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > < a class = "line" href = "sha256_8c.html#a0347251dc63b7abe5d4c500544c24a97" > 29< / a > < / span > < span class = "preprocessor" > #define sigma1(x) (ROTR32((x), 17) ^ ROTR32((x), 19) ^ ((x) > > 10))< / span > < / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < / div >
< div class = "foldopen" id = "foldopen00031" data-start = "{" data-end = "};" >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > < a class = "line" href = "sha256_8c.html#a22c6551e88df4c5c42fce3d0641adb64" > 31< / a > < / span > < span class = "keyword" > static< / span > < span class = "keyword" > const< / span > uint32_t < a class = "code hl_variable" href = "sha256_8c.html#a22c6551e88df4c5c42fce3d0641adb64" > K< / a > [64] = {< / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,< / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,< / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,< / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,< / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,< / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,< / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,< / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2};< / div >
< / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < / div >
< div class = "foldopen" id = "foldopen00041" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > < a class = "line" href = "sha256_8c.html#aff30aeb7e0231f2e4a7b5902e947bc9f" > 41< / a > < / span > < a class = "code hl_define" href = "decls_8h.html#a8a7eac34f7a0caaa0d4a57e9627ba173" > AARU_LOCAL< / a > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "sha256_8c.html#aff30aeb7e0231f2e4a7b5902e947bc9f" > sha256_transform< / a > (uint32_t state[8], < span class = "keyword" > const< / span > uint8_t block[64])< / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > {< / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > uint32_t W[64];< / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 16; i++)< / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > W[i] = ((uint32_t)block[i * 4] < < 24) | ((uint32_t)block[i * 4 + 1] < < 16) | ((uint32_t)block[i * 4 + 2] < < 8) |< / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > (uint32_t)block[i * 4 + 3];< / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 16; i < 64; i++) W[i] = < a class = "code hl_define" href = "sha256_8c.html#a0347251dc63b7abe5d4c500544c24a97" > sigma1< / a > (W[i - 2]) + W[i - 7] + < a class = "code hl_define" href = "sha256_8c.html#a672bd39bdf2f6dc295a23ddd109175ff" > sigma0< / a > (W[i - 15]) + W[i - 16];< / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > 48< / span > < / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > uint32_t a = state[0], b = state[1], c = state[2], d = state[3], e = state[4], f = state[5], g = state[6],< / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > h = state[7];< / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > < / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 64; i++)< / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > {< / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > uint32_t T1 = h + < a class = "code hl_define" href = "sha256_8c.html#ad73ff0c2b937d2657b21f58eca4d1d7c" > SIGMA1< / a > (e) + < a class = "code hl_define" href = "sha256_8c.html#ab0a0d1ad13c7e4d3cb38c89f7127c85a" > Ch< / a > (e, f, g) + < a class = "code hl_variable" href = "sha256_8c.html#a22c6551e88df4c5c42fce3d0641adb64" > K< / a > [i] + W[i];< / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > uint32_t T2 = < a class = "code hl_define" href = "sha256_8c.html#a96d7103a3e033278293207e23a9187cd" > SIGMA0< / a > (a) + < a class = "code hl_define" href = "sha256_8c.html#a447cd1d7fb703b62666400976be24bf3" > Maj< / a > (a, b, c);< / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > h = g;< / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > g = f;< / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > f = e;< / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > e = d + T1;< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > d = c;< / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > c = b;< / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > b = a;< / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > a = T1 + T2;< / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > }< / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > < / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > state[0] += a;< / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > state[1] += b;< / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > state[2] += c;< / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > state[3] += d;< / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > state[4] += e;< / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > state[5] += f;< / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > state[6] += g;< / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > state[7] += h;< / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > < / div >
< div class = "foldopen" id = "foldopen00076" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > < a class = "line" href = "decls_8h.html#a075527f7b15b70dc7028cf91d9062a90" > 76< / a > < / span > < a class = "code hl_define" href = "decls_8h.html#a9001412c35f3c92d3a9320d27b0d97f9" > AARU_EXPORT< / a > < span class = "keywordtype" > void< / span > < a class = "code hl_define" href = "decls_8h.html#a018e0da1c1f7e4f6187a982c0e40e056" > AARU_CALL< / a > < a class = "code hl_function" href = "sha256_8c.html#a075527f7b15b70dc7028cf91d9062a90" > aaruf_sha256_init< / a > (< a class = "code hl_struct" href = "structsha256__ctx.html" > sha256_ctx< / a > *ctx)< / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > {< / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#ad00abdc8fa17ca7b6581b14309527d86" > state< / a > [0] = 0x6a09e667U;< / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > 79< / span > ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#ad00abdc8fa17ca7b6581b14309527d86" > state< / a > [1] = 0xbb67ae85U;< / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#ad00abdc8fa17ca7b6581b14309527d86" > state< / a > [2] = 0x3c6ef372U;< / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#ad00abdc8fa17ca7b6581b14309527d86" > state< / a > [3] = 0xa54ff53aU;< / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#ad00abdc8fa17ca7b6581b14309527d86" > state< / a > [4] = 0x510e527fU;< / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#ad00abdc8fa17ca7b6581b14309527d86" > state< / a > [5] = 0x9b05688cU;< / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#ad00abdc8fa17ca7b6581b14309527d86" > state< / a > [6] = 0x1f83d9abU;< / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#ad00abdc8fa17ca7b6581b14309527d86" > state< / a > [7] = 0x5be0cd19U;< / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#a7b6c100e9d3e50e4f417b446a378ee87" > bitcount< / a > = 0ULL;< / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > memset(ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#a992c56715c7da465ec39b11ca5e659f2" > buffer< / a > , 0, < span class = "keyword" > sizeof< / span > (ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#a992c56715c7da465ec39b11ca5e659f2" > buffer< / a > ));< / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > < / div >
< div class = "foldopen" id = "foldopen00090" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > < a class = "line" href = "decls_8h.html#ab5f178e5ec94596e44a3fdb001d4a5f8" > 90< / a > < / span > < a class = "code hl_define" href = "decls_8h.html#a9001412c35f3c92d3a9320d27b0d97f9" > AARU_EXPORT< / a > < span class = "keywordtype" > void< / span > < a class = "code hl_define" href = "decls_8h.html#a018e0da1c1f7e4f6187a982c0e40e056" > AARU_CALL< / a > < a class = "code hl_function" href = "sha256_8c.html#a67fb5733f7c2dd5a7a02963b46eeaacf" > aaruf_sha256_update< / a > (< a class = "code hl_struct" href = "structsha256__ctx.html" > sha256_ctx< / a > *ctx, < span class = "keyword" > const< / span > < span class = "keywordtype" > void< / span > *data_ptr, < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > long< / span > len)< / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > {< / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > < span class = "keywordflow" > if< / span > (len == 0) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > < span class = "keyword" > const< / span > uint8_t *data = (< span class = "keyword" > const< / span > uint8_t *)data_ptr;< / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > uint32_t idx = (uint32_t)((ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#a7b6c100e9d3e50e4f417b446a378ee87" > bitcount< / a > > > 3) & 0x3F);< / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#a7b6c100e9d3e50e4f417b446a378ee87" > bitcount< / a > += ((uint64_t)len) < < 3;< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > uint32_t space = 64 - idx;< / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > < / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < span class = "keywordflow" > if< / span > (len > = space)< / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > {< / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > memcpy(ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#a992c56715c7da465ec39b11ca5e659f2" > buffer< / a > + idx, data, space);< / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < a class = "code hl_function" href = "sha256_8c.html#aff30aeb7e0231f2e4a7b5902e947bc9f" > sha256_transform< / a > (ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#ad00abdc8fa17ca7b6581b14309527d86" > state< / a > , ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#a992c56715c7da465ec39b11ca5e659f2" > buffer< / a > );< / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > data += space;< / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > len -= space;< / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > < span class = "keywordflow" > while< / span > (len > = 64)< / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > {< / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > < a class = "code hl_function" href = "sha256_8c.html#aff30aeb7e0231f2e4a7b5902e947bc9f" > sha256_transform< / a > (ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#ad00abdc8fa17ca7b6581b14309527d86" > state< / a > , data);< / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > data += 64;< / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > len -= 64;< / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > 109< / span > }< / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > idx = 0;< / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > }< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > < span class = "keywordflow" > if< / span > (len > 0) memcpy(ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#a992c56715c7da465ec39b11ca5e659f2" > buffer< / a > + idx, data, len);< / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > < / div >
< div class = "foldopen" id = "foldopen00115" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > < a class = "line" href = "decls_8h.html#a6456150dad701ca7f071940ef169c4cf" > 115< / a > < / span > < a class = "code hl_define" href = "decls_8h.html#a9001412c35f3c92d3a9320d27b0d97f9" > AARU_EXPORT< / a > < span class = "keywordtype" > void< / span > < a class = "code hl_define" href = "decls_8h.html#a018e0da1c1f7e4f6187a982c0e40e056" > AARU_CALL< / a > < a class = "code hl_function" href = "sha256_8c.html#a11a74de4ad5df6741280b5fabcf8f79a" > aaruf_sha256_final< / a > (< a class = "code hl_struct" href = "structsha256__ctx.html" > sha256_ctx< / a > *ctx, < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > *out)< / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > {< / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > uint8_t pad[64];< / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > memset(pad, 0, < span class = "keyword" > sizeof< / span > (pad));< / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > pad[0] = 0x80;< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > < / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > uint8_t len_be[8];< / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > uint64_t bits = ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#a7b6c100e9d3e50e4f417b446a378ee87" > bitcount< / a > ;< / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 8; i++) len_be[7 - i] = (uint8_t)(bits > > (i * 8));< / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > < / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > uint32_t idx = (uint32_t)((ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#a7b6c100e9d3e50e4f417b446a378ee87" > bitcount< / a > > > 3) & 0x3F);< / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > uint32_t pad_len = (idx < 56) ? (56 - idx) : (120 - idx);< / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > < / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < a class = "code hl_function" href = "sha256_8c.html#a67fb5733f7c2dd5a7a02963b46eeaacf" > aaruf_sha256_update< / a > (ctx, pad, pad_len);< / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > < a class = "code hl_function" href = "sha256_8c.html#a67fb5733f7c2dd5a7a02963b46eeaacf" > aaruf_sha256_update< / a > (ctx, len_be, 8);< / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > < / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 8; i++)< / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > {< / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > out[i * 4] = (uint8_t)(ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#ad00abdc8fa17ca7b6581b14309527d86" > state< / a > [i] > > 24);< / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > out[i * 4 + 1] = (uint8_t)(ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#ad00abdc8fa17ca7b6581b14309527d86" > state< / a > [i] > > 16);< / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > out[i * 4 + 2] = (uint8_t)(ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#ad00abdc8fa17ca7b6581b14309527d86" > state< / a > [i] > > 8);< / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > out[i * 4 + 3] = (uint8_t)(ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#ad00abdc8fa17ca7b6581b14309527d86" > state< / a > [i]);< / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / span > }< / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > memset(ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#a992c56715c7da465ec39b11ca5e659f2" > buffer< / a > , 0, < span class = "keyword" > sizeof< / span > (ctx-> < a class = "code hl_variable" href = "structsha256__ctx.html#a992c56715c7da465ec39b11ca5e659f2" > buffer< / a > ));< / div >
< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > < / div >
< div class = "foldopen" id = "foldopen00141" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > < a class = "line" href = "decls_8h.html#a7bae173c313a0752035e6eac045326e8" > 141< / a > < / span > < a class = "code hl_define" href = "decls_8h.html#a9001412c35f3c92d3a9320d27b0d97f9" > AARU_EXPORT< / a > < span class = "keywordtype" > void< / span > < a class = "code hl_define" href = "decls_8h.html#a018e0da1c1f7e4f6187a982c0e40e056" > AARU_CALL< / a > < a class = "code hl_function" href = "sha256_8c.html#a7bae173c313a0752035e6eac045326e8" > aaruf_sha256_buffer< / a > (< span class = "keyword" > const< / span > < span class = "keywordtype" > void< / span > *data, < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > long< / span > size, < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > *result)< / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > {< / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > < a class = "code hl_struct" href = "structsha256__ctx.html" > sha256_ctx< / a > ctx;< / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > < a class = "code hl_function" href = "sha256_8c.html#a075527f7b15b70dc7028cf91d9062a90" > aaruf_sha256_init< / a > (& ctx);< / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > < a class = "code hl_function" href = "sha256_8c.html#a67fb5733f7c2dd5a7a02963b46eeaacf" > aaruf_sha256_update< / a > (& ctx, data, size);< / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > < a class = "code hl_function" href = "sha256_8c.html#a11a74de4ad5df6741280b5fabcf8f79a" > aaruf_sha256_final< / a > (& ctx, result);< / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > }< / div >
< / div >
< div class = "ttc" id = "adecls_8h_html" > < div class = "ttname" > < a href = "decls_8h.html" > decls.h< / a > < / div > < / div >
< div class = "ttc" id = "adecls_8h_html_a018e0da1c1f7e4f6187a982c0e40e056" > < div class = "ttname" > < a href = "decls_8h.html#a018e0da1c1f7e4f6187a982c0e40e056" > AARU_CALL< / a > < / div > < div class = "ttdeci" > #define AARU_CALL< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "decls_8h_source.html#l00045" > decls.h:45< / a > < / div > < / div >
< div class = "ttc" id = "adecls_8h_html_a8a7eac34f7a0caaa0d4a57e9627ba173" > < div class = "ttname" > < a href = "decls_8h.html#a8a7eac34f7a0caaa0d4a57e9627ba173" > AARU_LOCAL< / a > < / div > < div class = "ttdeci" > #define AARU_LOCAL< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "decls_8h_source.html#l00055" > decls.h:55< / a > < / div > < / div >
< div class = "ttc" id = "adecls_8h_html_a9001412c35f3c92d3a9320d27b0d97f9" > < div class = "ttname" > < a href = "decls_8h.html#a9001412c35f3c92d3a9320d27b0d97f9" > AARU_EXPORT< / a > < / div > < div class = "ttdeci" > #define AARU_EXPORT< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "decls_8h_source.html#l00054" > decls.h:54< / a > < / div > < / div >
< div class = "ttc" id = "asha256_8c_html_a0347251dc63b7abe5d4c500544c24a97" > < div class = "ttname" > < a href = "sha256_8c.html#a0347251dc63b7abe5d4c500544c24a97" > sigma1< / a > < / div > < div class = "ttdeci" > #define sigma1(x)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00029" > sha256.c:29< / a > < / div > < / div >
< div class = "ttc" id = "asha256_8c_html_a075527f7b15b70dc7028cf91d9062a90" > < div class = "ttname" > < a href = "sha256_8c.html#a075527f7b15b70dc7028cf91d9062a90" > aaruf_sha256_init< / a > < / div > < div class = "ttdeci" > void aaruf_sha256_init(sha256_ctx *ctx)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00076" > sha256.c:76< / a > < / div > < / div >
< div class = "ttc" id = "asha256_8c_html_a11a74de4ad5df6741280b5fabcf8f79a" > < div class = "ttname" > < a href = "sha256_8c.html#a11a74de4ad5df6741280b5fabcf8f79a" > aaruf_sha256_final< / a > < / div > < div class = "ttdeci" > void aaruf_sha256_final(sha256_ctx *ctx, unsigned char *out)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00115" > sha256.c:115< / a > < / div > < / div >
< div class = "ttc" id = "asha256_8c_html_a22c6551e88df4c5c42fce3d0641adb64" > < div class = "ttname" > < a href = "sha256_8c.html#a22c6551e88df4c5c42fce3d0641adb64" > K< / a > < / div > < div class = "ttdeci" > static const uint32_t K[64]< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00031" > sha256.c:31< / a > < / div > < / div >
< div class = "ttc" id = "asha256_8c_html_a447cd1d7fb703b62666400976be24bf3" > < div class = "ttname" > < a href = "sha256_8c.html#a447cd1d7fb703b62666400976be24bf3" > Maj< / a > < / div > < div class = "ttdeci" > #define Maj(x, y, z)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00025" > sha256.c:25< / a > < / div > < / div >
< div class = "ttc" id = "asha256_8c_html_a672bd39bdf2f6dc295a23ddd109175ff" > < div class = "ttname" > < a href = "sha256_8c.html#a672bd39bdf2f6dc295a23ddd109175ff" > sigma0< / a > < / div > < div class = "ttdeci" > #define sigma0(x)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00028" > sha256.c:28< / a > < / div > < / div >
< div class = "ttc" id = "asha256_8c_html_a67fb5733f7c2dd5a7a02963b46eeaacf" > < div class = "ttname" > < a href = "sha256_8c.html#a67fb5733f7c2dd5a7a02963b46eeaacf" > aaruf_sha256_update< / a > < / div > < div class = "ttdeci" > void aaruf_sha256_update(sha256_ctx *ctx, const void *data_ptr, unsigned long len)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00090" > sha256.c:90< / a > < / div > < / div >
< div class = "ttc" id = "asha256_8c_html_a7bae173c313a0752035e6eac045326e8" > < div class = "ttname" > < a href = "sha256_8c.html#a7bae173c313a0752035e6eac045326e8" > aaruf_sha256_buffer< / a > < / div > < div class = "ttdeci" > void aaruf_sha256_buffer(const void *data, unsigned long size, unsigned char *result)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00141" > sha256.c:141< / a > < / div > < / div >
< div class = "ttc" id = "asha256_8c_html_a96d7103a3e033278293207e23a9187cd" > < div class = "ttname" > < a href = "sha256_8c.html#a96d7103a3e033278293207e23a9187cd" > SIGMA0< / a > < / div > < div class = "ttdeci" > #define SIGMA0(x)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00026" > sha256.c:26< / a > < / div > < / div >
< div class = "ttc" id = "asha256_8c_html_ab0a0d1ad13c7e4d3cb38c89f7127c85a" > < div class = "ttname" > < a href = "sha256_8c.html#ab0a0d1ad13c7e4d3cb38c89f7127c85a" > Ch< / a > < / div > < div class = "ttdeci" > #define Ch(x, y, z)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00024" > sha256.c:24< / a > < / div > < / div >
< div class = "ttc" id = "asha256_8c_html_ad73ff0c2b937d2657b21f58eca4d1d7c" > < div class = "ttname" > < a href = "sha256_8c.html#ad73ff0c2b937d2657b21f58eca4d1d7c" > SIGMA1< / a > < / div > < div class = "ttdeci" > #define SIGMA1(x)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00027" > sha256.c:27< / a > < / div > < / div >
< div class = "ttc" id = "asha256_8c_html_aff30aeb7e0231f2e4a7b5902e947bc9f" > < div class = "ttname" > < a href = "sha256_8c.html#aff30aeb7e0231f2e4a7b5902e947bc9f" > sha256_transform< / a > < / div > < div class = "ttdeci" > static void sha256_transform(uint32_t state[8], const uint8_t block[64])< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00041" > sha256.c:41< / a > < / div > < / div >
< div class = "ttc" id = "asha256_8h_html" > < div class = "ttname" > < a href = "sha256_8h.html" > sha256.h< / a > < / div > < / div >
< div class = "ttc" id = "astructsha256__ctx_html" > < div class = "ttname" > < a href = "structsha256__ctx.html" > sha256_ctx< / a > < / div > < div class = "ttdef" > < b > Definition< / b > < a href = "sha256_8h_source.html#l00041" > sha256.h:42< / a > < / div > < / div >
< div class = "ttc" id = "astructsha256__ctx_html_a7b6c100e9d3e50e4f417b446a378ee87" > < div class = "ttname" > < a href = "structsha256__ctx.html#a7b6c100e9d3e50e4f417b446a378ee87" > sha256_ctx::bitcount< / a > < / div > < div class = "ttdeci" > uint64_t bitcount< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "sha256_8h_source.html#l00044" > sha256.h:44< / a > < / div > < / div >
< div class = "ttc" id = "astructsha256__ctx_html_a992c56715c7da465ec39b11ca5e659f2" > < div class = "ttname" > < a href = "structsha256__ctx.html#a992c56715c7da465ec39b11ca5e659f2" > sha256_ctx::buffer< / a > < / div > < div class = "ttdeci" > uint8_t buffer[64]< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "sha256_8h_source.html#l00045" > sha256.h:45< / a > < / div > < / div >
< div class = "ttc" id = "astructsha256__ctx_html_ad00abdc8fa17ca7b6581b14309527d86" > < div class = "ttname" > < a href = "structsha256__ctx.html#ad00abdc8fa17ca7b6581b14309527d86" > sha256_ctx::state< / a > < / div > < div class = "ttdeci" > uint32_t state[8]< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "sha256_8h_source.html#l00043" > sha256.h:43< / a > < / div > < / div >
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< li class = "navelem" > < a href = "dir_68267d1309a1af8e8297ef4c3efbcdba.html" > src< / a > < / li > < li class = "navelem" > < a href = "dir_6b3196bdf3f485a11a190486a5644c9a.html" > checksum< / a > < / li > < li class = "navelem" > < a href = "sha256_8c.html" > sha256.c< / a > < / li >
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