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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 = "sha1_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-1 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" > * This implementation is derived from the FIPS PUB 180-1 specification and< / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > * other public domain reference implementations; released as public domain.< / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < span class = "comment" > * If public domain dedication is not recognized, you may use it under the< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "comment" > * MIT license terms (see header in sha1.h).< / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "comment" > */< / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "preprocessor" > #include < stdbool.h> < / span > < / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > < span class = "preprocessor" > #include < stdint.h> < / span > < / div >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < span class = "preprocessor" > #include < stdio.h> < / span > < / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "preprocessor" > #include < string.h> < / 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" > #include " < a class = "code" href = "decls_8h.html" > decls.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < span class = "preprocessor" > #include " < a class = "code" href = "sha1_8h.html" > sha1.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < span class = "preprocessor" > #ifndef AARU_LOCAL< / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > < a class = "line" href = "sha1_8c.html#a8a7eac34f7a0caaa0d4a57e9627ba173" > 18< / a > < / span > < span class = "preprocessor" > #define AARU_LOCAL static< / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > < span class = "comment" > /* Rotate-left 32-bit */< / span > < / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > < span class = "preprocessor" > #if defined(_MSC_VER)< / span > < / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > < span class = "preprocessor" > #define ROTL32(v, n) _rotl(v, n)< / span > < / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < span class = "preprocessor" > #else< / span > < / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > < a class = "line" href = "sha1_8c.html#a453d6c05303385256d9893904b125483" > 25< / a > < / span > < span class = "preprocessor" > #define ROTL32(v, n) (((v) < < (n)) | ((v) > > (32 - (n))))< / span > < / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < / div >
< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < span class = "comment" > /* SHA-1 logical functions */< / span > < / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > < a class = "line" href = "sha1_8c.html#a5c482e816f35bfb6e98a35ebb98faf6f" > 29< / a > < / span > < span class = "preprocessor" > #define F0(b, c, d) (((b) & (c)) | (~(b) & (d)))< / span > < / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > < a class = "line" href = "sha1_8c.html#a4b43e24406104c71169a8ef7548dd11c" > 30< / a > < / span > < span class = "preprocessor" > #define F1(b, c, d) ((b) ^ (c) ^ (d))< / span > < / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > < a class = "line" href = "sha1_8c.html#a3758a57dd3ebe6d6d232ded594a841ab" > 31< / a > < / span > < span class = "preprocessor" > #define F2(b, c, d) (((b) & (c)) | ((b) & (d)) | ((c) & (d)))< / span > < / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > < a class = "line" href = "sha1_8c.html#a52dbd9db25b71d9031d0673b87c03912" > 32< / a > < / span > < span class = "preprocessor" > #define F3(b, c, d) ((b) ^ (c) ^ (d))< / span > < / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < / div >
< div class = "foldopen" id = "foldopen00034" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > < a class = "line" href = "decls_8h.html#a9bcd5c47b9b593c95be9d4f82253739a" > 34< / 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 = "sha1_8c.html#a9bcd5c47b9b593c95be9d4f82253739a" > aaruf_sha1_init< / a > (< a class = "code hl_struct" href = "structsha1__ctx.html" > sha1_ctx< / a > *ctx)< / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > {< / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#abbd0a5d4b60cf74186ba6f1f4a02d2f7" > state< / a > [0] = 0x67452301UL;< / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#abbd0a5d4b60cf74186ba6f1f4a02d2f7" > state< / a > [1] = 0xEFCDAB89UL;< / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#abbd0a5d4b60cf74186ba6f1f4a02d2f7" > state< / a > [2] = 0x98BADCFEUL;< / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#abbd0a5d4b60cf74186ba6f1f4a02d2f7" > state< / a > [3] = 0x10325476UL;< / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#abbd0a5d4b60cf74186ba6f1f4a02d2f7" > state< / a > [4] = 0xC3D2E1F0UL;< / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#a240a8b9917e5b68f9708ae71fe0162e2" > count< / a > = 0ULL;< / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > memset(ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#a7d619177109240d16be88c5b03c464ad" > buffer< / a > , 0, < span class = "keyword" > sizeof< / span > (ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#a7d619177109240d16be88c5b03c464ad" > buffer< / a > ));< / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < / div >
< div class = "foldopen" id = "foldopen00045" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > < a class = "line" href = "sha1_8c.html#a9f22d2156dc3a85f9ccb02cfac8c523e" > 45< / 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 = "sha1_8c.html#a9f22d2156dc3a85f9ccb02cfac8c523e" > sha1_transform< / a > (uint32_t state[5], < span class = "keyword" > const< / span > uint8_t block[64])< / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > {< / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > uint32_t W[80];< / 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 > < span class = "comment" > /* Prepare message schedule */< / span > < / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > t = 0; t < 16; t++)< / 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 > W[t] = ((uint32_t)block[t * 4] < < 24) | ((uint32_t)block[t * 4 + 1] < < 16) | ((uint32_t)block[t * 4 + 2] < < 8) |< / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > ((uint32_t)block[t * 4 + 3]);< / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > }< / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > t = 16; t < 80; t++) { W[t] = < a class = "code hl_define" href = "sha1_8c.html#a453d6c05303385256d9893904b125483" > ROTL32< / a > (W[t - 3] ^ W[t - 8] ^ W[t - 14] ^ W[t - 16], 1); }< / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > < / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > uint32_t a = state[0];< / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > uint32_t b = state[1];< / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > uint32_t c = state[2];< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > uint32_t d = state[3];< / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > uint32_t e = state[4];< / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > t = 0; t < 80; t++)< / 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 > uint32_t temp;< / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > < span class = "keywordflow" > if< / span > (t < 20)< / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > temp = < a class = "code hl_define" href = "sha1_8c.html#a453d6c05303385256d9893904b125483" > ROTL32< / a > (a, 5) + < a class = "code hl_define" href = "sha1_8c.html#a5c482e816f35bfb6e98a35ebb98faf6f" > F0< / a > (b, c, d) + e + W[t] + 0x5A827999UL;< / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (t < 40)< / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > temp = < a class = "code hl_define" href = "sha1_8c.html#a453d6c05303385256d9893904b125483" > ROTL32< / a > (a, 5) + < a class = "code hl_define" href = "sha1_8c.html#a4b43e24406104c71169a8ef7548dd11c" > F1< / a > (b, c, d) + e + W[t] + 0x6ED9EBA1UL;< / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (t < 60)< / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > temp = < a class = "code hl_define" href = "sha1_8c.html#a453d6c05303385256d9893904b125483" > ROTL32< / a > (a, 5) + < a class = "code hl_define" href = "sha1_8c.html#a3758a57dd3ebe6d6d232ded594a841ab" > F2< / a > (b, c, d) + e + W[t] + 0x8F1BBCDCUL;< / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > temp = < a class = "code hl_define" href = "sha1_8c.html#a453d6c05303385256d9893904b125483" > ROTL32< / a > (a, 5) + < a class = "code hl_define" href = "sha1_8c.html#a52dbd9db25b71d9031d0673b87c03912" > F3< / a > (b, c, d) + e + W[t] + 0xCA62C1D6UL;< / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > < / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > e = d;< / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > 76< / span > d = c;< / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > c = < a class = "code hl_define" href = "sha1_8c.html#a453d6c05303385256d9893904b125483" > ROTL32< / a > (b, 30);< / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > b = a;< / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > 79< / span > a = temp;< / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > }< / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > < / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > state[0] += a;< / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > state[1] += b;< / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > state[2] += c;< / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > state[3] += d;< / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > state[4] += e;< / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > < / div >
< div class = "foldopen" id = "foldopen00089" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > < a class = "line" href = "decls_8h.html#abead53c8e55f1f99900fdae16d9da70f" > 89< / 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 = "sha1_8c.html#a526b4ec44347987756b9358f5fc07342" > aaruf_sha1_update< / a > (< a class = "code hl_struct" href = "structsha1__ctx.html" > sha1_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 = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > {< / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < span class = "keyword" > const< / span > uint8_t *data = (< span class = "keyword" > const< / span > uint8_t *)data_ptr;< / 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 > < / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > < span class = "comment" > /* Number of bytes mod 64 currently in buffer */< / span > < / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > uint32_t buffer_bytes = (uint32_t)((ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#a240a8b9917e5b68f9708ae71fe0162e2" > count< / a > > > 3) & 0x3F);< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > < / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > < span class = "comment" > /* Update bit count */< / span > < / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#a240a8b9917e5b68f9708ae71fe0162e2" > count< / a > += (uint64_t)len < < 3;< / 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 > uint32_t free_bytes = 64 - buffer_bytes;< / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > < span class = "keywordflow" > if< / span > (len > = free_bytes)< / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > {< / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > < span class = "comment" > /* Fill buffer and compress */< / span > < / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > memcpy(ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#a7d619177109240d16be88c5b03c464ad" > buffer< / a > + buffer_bytes, data, free_bytes);< / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > < a class = "code hl_function" href = "sha1_8c.html#a9f22d2156dc3a85f9ccb02cfac8c523e" > sha1_transform< / a > (ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#abbd0a5d4b60cf74186ba6f1f4a02d2f7" > state< / a > , ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#a7d619177109240d16be88c5b03c464ad" > buffer< / a > );< / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > data += free_bytes;< / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > len -= free_bytes;< / 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 > < span class = "comment" > /* Process direct blocks */< / span > < / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > < span class = "keywordflow" > while< / span > (len > = 64)< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > {< / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > < a class = "code hl_function" href = "sha1_8c.html#a9f22d2156dc3a85f9ccb02cfac8c523e" > sha1_transform< / a > (ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#abbd0a5d4b60cf74186ba6f1f4a02d2f7" > state< / a > , data);< / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > data += 64;< / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > len -= 64;< / 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 > buffer_bytes = 0;< / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > }< / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > < / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > < span class = "comment" > /* Buffer the remaining */< / span > < / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > < span class = "keywordflow" > if< / span > (len > 0) memcpy(ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#a7d619177109240d16be88c5b03c464ad" > buffer< / a > + buffer_bytes, data, len);< / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > < / div >
< div class = "foldopen" id = "foldopen00124" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > < a class = "line" href = "decls_8h.html#a0396232d1020b16b2cb4bf0b1aa2b021" > 124< / 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 = "sha1_8c.html#a805872a1a6e7caef98a28e250a0ddc8b" > aaruf_sha1_final< / a > (< a class = "code hl_struct" href = "structsha1__ctx.html" > sha1_ctx< / a > *ctx, < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > *digest)< / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > {< / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > uint8_t pad[64];< / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > memset(pad, 0, < span class = "keyword" > sizeof< / span > (pad));< / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > pad[0] = 0x80;< / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > < / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > uint8_t length_be[8];< / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > uint64_t bits = ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#a240a8b9917e5b68f9708ae71fe0162e2" > count< / a > ;< / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 8; i++) { length_be[7 - i] = (uint8_t)(bits > > (i * 8)); }< / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > < / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > < span class = "comment" > /* Current bytes mod 64 */< / span > < / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > uint32_t buffer_bytes = (uint32_t)((ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#a240a8b9917e5b68f9708ae71fe0162e2" > count< / a > > > 3) & 0x3F);< / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > < / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / span > uint32_t pad_len = (buffer_bytes < 56) ? (56 - buffer_bytes) : (120 - buffer_bytes);< / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > < / div >
< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > < a class = "code hl_function" href = "sha1_8c.html#a526b4ec44347987756b9358f5fc07342" > aaruf_sha1_update< / a > (ctx, pad, pad_len);< / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > < a class = "code hl_function" href = "sha1_8c.html#a526b4ec44347987756b9358f5fc07342" > aaruf_sha1_update< / a > (ctx, length_be, 8);< / div >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > < / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > < span class = "comment" > /* Output digest big-endian */< / span > < / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 5; i++)< / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > {< / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > digest[i * 4] = (uint8_t)(ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#abbd0a5d4b60cf74186ba6f1f4a02d2f7" > state< / a > [i] > > 24);< / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > digest[i * 4 + 1] = (uint8_t)(ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#abbd0a5d4b60cf74186ba6f1f4a02d2f7" > state< / a > [i] > > 16);< / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > digest[i * 4 + 2] = (uint8_t)(ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#abbd0a5d4b60cf74186ba6f1f4a02d2f7" > state< / a > [i] > > 8);< / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > digest[i * 4 + 3] = (uint8_t)(ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#abbd0a5d4b60cf74186ba6f1f4a02d2f7" > state< / a > [i]);< / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > }< / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > < / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > < span class = "comment" > /* Wipe context (except state in case reused) */< / span > < / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > 152< / span > memset(ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#a7d619177109240d16be88c5b03c464ad" > buffer< / a > , 0, < span class = "keyword" > sizeof< / span > (ctx-> < a class = "code hl_variable" href = "structsha1__ctx.html#a7d619177109240d16be88c5b03c464ad" > buffer< / a > ));< / div >
< div class = "line" > < a id = "l00153" name = "l00153" > < / a > < span class = "lineno" > 153< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00154" name = "l00154" > < / a > < span class = "lineno" > 154< / span > < / div >
< div class = "foldopen" id = "foldopen00155" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00155" name = "l00155" > < / a > < span class = "lineno" > < a class = "line" href = "decls_8h.html#a1e8667b4e2bc168a5411d9671a44a73c" > 155< / 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 = "sha1_8c.html#a1e8667b4e2bc168a5411d9671a44a73c" > aaruf_sha1_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 = "l00156" name = "l00156" > < / a > < span class = "lineno" > 156< / span > {< / div >
< div class = "line" > < a id = "l00157" name = "l00157" > < / a > < span class = "lineno" > 157< / span > < a class = "code hl_struct" href = "structsha1__ctx.html" > sha1_ctx< / a > ctx;< / div >
< div class = "line" > < a id = "l00158" name = "l00158" > < / a > < span class = "lineno" > 158< / span > < a class = "code hl_function" href = "sha1_8c.html#a9bcd5c47b9b593c95be9d4f82253739a" > aaruf_sha1_init< / a > (& ctx);< / div >
< div class = "line" > < a id = "l00159" name = "l00159" > < / a > < span class = "lineno" > 159< / span > < a class = "code hl_function" href = "sha1_8c.html#a526b4ec44347987756b9358f5fc07342" > aaruf_sha1_update< / a > (& ctx, data, size);< / div >
< div class = "line" > < a id = "l00160" name = "l00160" > < / a > < span class = "lineno" > 160< / span > < a class = "code hl_function" href = "sha1_8c.html#a805872a1a6e7caef98a28e250a0ddc8b" > aaruf_sha1_final< / a > (& ctx, result);< / div >
< div class = "line" > < a id = "l00161" name = "l00161" > < / a > < span class = "lineno" > 161< / span > }< / div >
< / div >
< div class = "ttc" id = "adecls_8h_html" > < div class = "ttname" > < a href = "decls_8h.html" > decls.h< / a > < / div > < / div >
2026-01-04 16:05:30 +00:00
< 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#l00046" > decls.h:46< / 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#l00056" > decls.h:56< / 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#l00055" > decls.h:55< / a > < / div > < / div >
2025-10-11 01:35:43 +01:00
< div class = "ttc" id = "asha1_8c_html_a1e8667b4e2bc168a5411d9671a44a73c" > < div class = "ttname" > < a href = "sha1_8c.html#a1e8667b4e2bc168a5411d9671a44a73c" > aaruf_sha1_buffer< / a > < / div > < div class = "ttdeci" > void aaruf_sha1_buffer(const void *data, unsigned long size, unsigned char *result)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00155" > sha1.c:155< / a > < / div > < / div >
< div class = "ttc" id = "asha1_8c_html_a3758a57dd3ebe6d6d232ded594a841ab" > < div class = "ttname" > < a href = "sha1_8c.html#a3758a57dd3ebe6d6d232ded594a841ab" > F2< / a > < / div > < div class = "ttdeci" > #define F2(b, c, d)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00031" > sha1.c:31< / a > < / div > < / div >
< div class = "ttc" id = "asha1_8c_html_a453d6c05303385256d9893904b125483" > < div class = "ttname" > < a href = "sha1_8c.html#a453d6c05303385256d9893904b125483" > ROTL32< / a > < / div > < div class = "ttdeci" > #define ROTL32(v, n)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00025" > sha1.c:25< / a > < / div > < / div >
< div class = "ttc" id = "asha1_8c_html_a4b43e24406104c71169a8ef7548dd11c" > < div class = "ttname" > < a href = "sha1_8c.html#a4b43e24406104c71169a8ef7548dd11c" > F1< / a > < / div > < div class = "ttdeci" > #define F1(b, c, d)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00030" > sha1.c:30< / a > < / div > < / div >
< div class = "ttc" id = "asha1_8c_html_a526b4ec44347987756b9358f5fc07342" > < div class = "ttname" > < a href = "sha1_8c.html#a526b4ec44347987756b9358f5fc07342" > aaruf_sha1_update< / a > < / div > < div class = "ttdeci" > void aaruf_sha1_update(sha1_ctx *ctx, const void *data_ptr, unsigned long len)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00089" > sha1.c:89< / a > < / div > < / div >
< div class = "ttc" id = "asha1_8c_html_a52dbd9db25b71d9031d0673b87c03912" > < div class = "ttname" > < a href = "sha1_8c.html#a52dbd9db25b71d9031d0673b87c03912" > F3< / a > < / div > < div class = "ttdeci" > #define F3(b, c, d)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00032" > sha1.c:32< / a > < / div > < / div >
< div class = "ttc" id = "asha1_8c_html_a5c482e816f35bfb6e98a35ebb98faf6f" > < div class = "ttname" > < a href = "sha1_8c.html#a5c482e816f35bfb6e98a35ebb98faf6f" > F0< / a > < / div > < div class = "ttdeci" > #define F0(b, c, d)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00029" > sha1.c:29< / a > < / div > < / div >
< div class = "ttc" id = "asha1_8c_html_a805872a1a6e7caef98a28e250a0ddc8b" > < div class = "ttname" > < a href = "sha1_8c.html#a805872a1a6e7caef98a28e250a0ddc8b" > aaruf_sha1_final< / a > < / div > < div class = "ttdeci" > void aaruf_sha1_final(sha1_ctx *ctx, unsigned char *digest)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00124" > sha1.c:124< / a > < / div > < / div >
< div class = "ttc" id = "asha1_8c_html_a9bcd5c47b9b593c95be9d4f82253739a" > < div class = "ttname" > < a href = "sha1_8c.html#a9bcd5c47b9b593c95be9d4f82253739a" > aaruf_sha1_init< / a > < / div > < div class = "ttdeci" > void aaruf_sha1_init(sha1_ctx *ctx)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00034" > sha1.c:34< / a > < / div > < / div >
< div class = "ttc" id = "asha1_8c_html_a9f22d2156dc3a85f9ccb02cfac8c523e" > < div class = "ttname" > < a href = "sha1_8c.html#a9f22d2156dc3a85f9ccb02cfac8c523e" > sha1_transform< / a > < / div > < div class = "ttdeci" > static void sha1_transform(uint32_t state[5], const uint8_t block[64])< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00045" > sha1.c:45< / a > < / div > < / div >
< div class = "ttc" id = "asha1_8h_html" > < div class = "ttname" > < a href = "sha1_8h.html" > sha1.h< / a > < / div > < / div >
< div class = "ttc" id = "astructsha1__ctx_html" > < div class = "ttname" > < a href = "structsha1__ctx.html" > sha1_ctx< / a > < / div > < div class = "ttdef" > < b > Definition< / b > < a href = "sha1_8h_source.html#l00042" > sha1.h:43< / a > < / div > < / div >
< div class = "ttc" id = "astructsha1__ctx_html_a240a8b9917e5b68f9708ae71fe0162e2" > < div class = "ttname" > < a href = "structsha1__ctx.html#a240a8b9917e5b68f9708ae71fe0162e2" > sha1_ctx::count< / a > < / div > < div class = "ttdeci" > uint64_t count< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "sha1_8h_source.html#l00045" > sha1.h:45< / a > < / div > < / div >
< div class = "ttc" id = "astructsha1__ctx_html_a7d619177109240d16be88c5b03c464ad" > < div class = "ttname" > < a href = "structsha1__ctx.html#a7d619177109240d16be88c5b03c464ad" > sha1_ctx::buffer< / a > < / div > < div class = "ttdeci" > uint8_t buffer[64]< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "sha1_8h_source.html#l00046" > sha1.h:46< / a > < / div > < / div >
< div class = "ttc" id = "astructsha1__ctx_html_abbd0a5d4b60cf74186ba6f1f4a02d2f7" > < div class = "ttname" > < a href = "structsha1__ctx.html#abbd0a5d4b60cf74186ba6f1f4a02d2f7" > sha1_ctx::state< / a > < / div > < div class = "ttdeci" > uint32_t state[5]< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "sha1_8h_source.html#l00044" > sha1.h:44< / 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 = "sha1_8c.html" > sha1.c< / a > < / li >
2025-12-21 20:17:32 +00:00
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