1 files changed, 0 insertions, 160 deletions
diff --git a/contrib/ffmpeg/libavutil/sha1.c b/contrib/ffmpeg/libavutil/sha1.c
deleted file mode 100644
index 6c10791f4..000000000
--- a/contrib/ffmpeg/libavutil/sha1.c
+++ /dev/null
@@ -1,160 +0,0 @@
-// SHA-1 code Copyright 2007 Michael Nidermayer <michaelni@gmx.at>
-// license LGPL
-// based on public domain SHA-1 code by Steve Reid <steve@edmweb.com>
-
-#include "common.h"
-#include "sha1.h"
-
-typedef struct AVSHA1 {
-    uint64_t count;
-    uint8_t buffer[64];
-    uint32_t state[5];
-} AVSHA1;
-
-#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
-
-/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
-#define blk0(i) (block[i] = be2me_32(((uint32_t*)buffer)[i]))
-#define blk(i) (block[i] = rol(block[i-3]^block[i-8]^block[i-14]^block[i-16],1))
-
-#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)    +blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
-#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)    +blk (i)+0x5A827999+rol(v,5);w=rol(w,30);
-#define R2(v,w,x,y,z,i) z+=( w^x     ^y)    +blk (i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
-#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk (i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
-#define R4(v,w,x,y,z,i) z+=( w^x     ^y)    +blk (i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
-
-/* Hash a single 512-bit block. This is the core of the algorithm. */
-
-static void transform(uint32_t state[5], uint8_t buffer[64]){
-    uint32_t block[80];
-    unsigned int i, a, b, c, d, e;
-
-    a = state[0];
-    b = state[1];
-    c = state[2];
-    d = state[3];
-    e = state[4];
-#ifdef CONFIG_SMALL
-    for(i=0; i<80; i++){
-        int t;
-        if(i<16) t= be2me_32(((uint32_t*)buffer)[i]);
-        else     t= rol(block[i-3]^block[i-8]^block[i-14]^block[i-16],1);
-        block[i]= t;
-        t+= e+rol(a,5);
-        if(i<40){
-            if(i<20)    t+= ((b&(c^d))^d)    +0x5A827999;
-            else        t+= ( b^c     ^d)    +0x6ED9EBA1;
-        }else{
-            if(i<60)    t+= (((b|c)&d)|(b&c))+0x8F1BBCDC;
-            else        t+= ( b^c     ^d)    +0xCA62C1D6;
-        }
-        e= d;
-        d= c;
-        c= rol(b,30);
-        b= a;
-        a= t;
-    }
-#else
-    for(i=0; i<15; i+=5){
-        R0(a,b,c,d,e,0+i); R0(e,a,b,c,d,1+i); R0(d,e,a,b,c,2+i); R0(c,d,e,a,b,3+i); R0(b,c,d,e,a,4+i);
-    }
-    R0(a,b,c,d,e,15); R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
-    for(i=20; i<40; i+=5){
-        R2(a,b,c,d,e,0+i); R2(e,a,b,c,d,1+i); R2(d,e,a,b,c,2+i); R2(c,d,e,a,b,3+i); R2(b,c,d,e,a,4+i);
-    }
-    for(; i<60; i+=5){
-        R3(a,b,c,d,e,0+i); R3(e,a,b,c,d,1+i); R3(d,e,a,b,c,2+i); R3(c,d,e,a,b,3+i); R3(b,c,d,e,a,4+i);
-    }
-    for(; i<80; i+=5){
-        R4(a,b,c,d,e,0+i); R4(e,a,b,c,d,1+i); R4(d,e,a,b,c,2+i); R4(c,d,e,a,b,3+i); R4(b,c,d,e,a,4+i);
-    }
-#endif
-    state[0] += a;
-    state[1] += b;
-    state[2] += c;
-    state[3] += d;
-    state[4] += e;
-}
-
-void av_sha1_init(AVSHA1* ctx){
-    ctx->state[0] = 0x67452301;
-    ctx->state[1] = 0xEFCDAB89;
-    ctx->state[2] = 0x98BADCFE;
-    ctx->state[3] = 0x10325476;
-    ctx->state[4] = 0xC3D2E1F0;
-    ctx->count    = 0;
-}
-
-void av_sha1_update(AVSHA1* ctx, uint8_t* data, unsigned int len){
-    unsigned int i, j;
-
-    j = ctx->count & 63;
-    ctx->count += len;
-#ifdef CONFIG_SMALL
-    for( i = 0; i < len; i++ ){
-        ctx->buffer[ j++ ] = data[i];
-        if( 64 == j ){
-            transform(ctx->state, ctx->buffer);
-            j = 0;
-        }
-    }
-#else
-    if ((j + len) > 63) {
-        memcpy(&ctx->buffer[j], data, (i = 64-j));
-        transform(ctx->state, ctx->buffer);
-        for ( ; i + 63 < len; i += 64) {
-            transform(ctx->state, &data[i]);
-        }
-        j=0;
-    }
-    else i = 0;
-    memcpy(&ctx->buffer[j], &data[i], len - i);
-#endif
-}
-
-void av_sha1_final(AVSHA1* ctx, uint8_t digest[20]){
-    int i;
-    uint64_t finalcount= be2me_64(ctx->count<<3);
-
-    av_sha1_update(ctx, "\200", 1);
-    while ((ctx->count & 63) != 56) {
-        av_sha1_update(ctx, "", 1);
-    }
-    av_sha1_update(ctx, &finalcount, 8);  /* Should cause a transform() */
-    for(i=0; i<5; i++)
-        ((uint32_t*)digest)[i]= be2me_32(ctx->state[i]);
-}
-
-// use the following to test
-// gcc -DTEST -DHAVE_AV_CONFIG_H -I.. sha1.c -O2 -W -Wall -o sha1 && time ./sha1
-#ifdef TEST
-#include <stdio.h>
-#undef printf
-
-int main(){
-    int i, k;
-    AVSHA1 ctx;
-    unsigned char digest[20];
-
-    for(k=0; k<3; k++){
-        av_sha1_init(&ctx);
-        if(k==0)
-            av_sha1_update(&ctx, "abc", 3);
-        else if(k==1)
-            av_sha1_update(&ctx, "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 56);
-        else
-            for(i=0; i<1000*1000; i++)
-                av_sha1_update(&ctx, "a", 1);
-        av_sha1_final(&ctx, digest);
-        for (i = 0; i < 20; i++)
-            printf("%02X", digest[i]);
-        putchar('\n');
-    }
-    //Test Vectors (from FIPS PUB 180-1)
-    printf("A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D\n"
-           "84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1\n"
-           "34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F\n");
-
-    return 0;
-}
-#endif