diff options
| -rw-r--r-- | libavutil/sha1.c | 6 | ||||
| -rw-r--r-- | libavutil/sha1.h | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/libavutil/sha1.c b/libavutil/sha1.c index 971fac7444..61ad38de28 100644 --- a/libavutil/sha1.c +++ b/libavutil/sha1.c @@ -34,7 +34,7 @@ const int av_sha1_size = sizeof(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 blk0(i) (block[i] = be2me_32(((const 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); @@ -45,7 +45,7 @@ const int av_sha1_size = sizeof(AVSHA1); /* Hash a single 512-bit block. This is the core of the algorithm. */ -static void transform(uint32_t state[5], uint8_t buffer[64]){ +static void transform(uint32_t state[5], const uint8_t buffer[64]){ uint32_t block[80]; unsigned int i, a, b, c, d, e; @@ -105,7 +105,7 @@ void av_sha1_init(AVSHA1* ctx){ ctx->count = 0; } -void av_sha1_update(AVSHA1* ctx, uint8_t* data, unsigned int len){ +void av_sha1_update(AVSHA1* ctx, const uint8_t* data, unsigned int len){ unsigned int i, j; j = ctx->count & 63; diff --git a/libavutil/sha1.h b/libavutil/sha1.h index f00ecf0d5b..fc5bf08251 100644 --- a/libavutil/sha1.h +++ b/libavutil/sha1.h @@ -28,7 +28,7 @@ extern const int av_sha1_size; struct AVSHA1; void av_sha1_init(struct AVSHA1* context); -void av_sha1_update(struct AVSHA1* context, uint8_t* data, unsigned int len); +void av_sha1_update(struct AVSHA1* context, const uint8_t* data, unsigned int len); void av_sha1_final(struct AVSHA1* context, uint8_t digest[20]); #endif /* FFMPEG_SHA1_H */ |