Revision f522310b libavutil/sha1.c

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libavutil/sha1.c
34 34
#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
35 35

  
36 36
/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
37
#define blk0(i) (block[i] = be2me_32(((uint32_t*)buffer)[i]))
37
#define blk0(i) (block[i] = be2me_32(((const uint32_t*)buffer)[i]))
38 38
#define blk(i) (block[i] = rol(block[i-3]^block[i-8]^block[i-14]^block[i-16],1))
39 39

  
40 40
#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)    +blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
......
45 45

  
46 46
/* Hash a single 512-bit block. This is the core of the algorithm. */
47 47

  
48
static void transform(uint32_t state[5], uint8_t buffer[64]){
48
static void transform(uint32_t state[5], const uint8_t buffer[64]){
49 49
    uint32_t block[80];
50 50
    unsigned int i, a, b, c, d, e;
51 51

  
......
105 105
    ctx->count    = 0;
106 106
}
107 107

  
108
void av_sha1_update(AVSHA1* ctx, uint8_t* data, unsigned int len){
108
void av_sha1_update(AVSHA1* ctx, const uint8_t* data, unsigned int len){
109 109
    unsigned int i, j;
110 110

  
111 111
    j = ctx->count & 63;

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