diff options
Diffstat (limited to 'third_party/srtp/crypto/hash/sha1.c')
| -rw-r--r-- | third_party/srtp/crypto/hash/sha1.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/third_party/srtp/crypto/hash/sha1.c b/third_party/srtp/crypto/hash/sha1.c index 566672de..c200437b 100644 --- a/third_party/srtp/crypto/hash/sha1.c +++ b/third_party/srtp/crypto/hash/sha1.c @@ -44,6 +44,9 @@ * */ +#ifdef HAVE_CONFIG_H + #include <config.h> +#endif #include "sha1.h" @@ -114,7 +117,7 @@ sha1_core(const uint32_t M[16], uint32_t hash_value[5]) { H4 = hash_value[4]; /* copy/xor message into array */ - + W[0] = be32_to_cpu(M[0]); W[1] = be32_to_cpu(M[1]); W[2] = be32_to_cpu(M[2]); @@ -184,7 +187,7 @@ sha1_core(const uint32_t M[16], uint32_t hash_value[5]) { void sha1_init(sha1_ctx_t *ctx) { - + /* initialize state vector */ ctx->H[0] = 0x67452301; ctx->H[1] = 0xefcdab89; @@ -210,7 +213,7 @@ sha1_update(sha1_ctx_t *ctx, const uint8_t *msg, int octets_in_msg) { /* loop over 16-word blocks of M */ while (octets_in_msg > 0) { - + if (octets_in_msg + ctx->octets_in_buffer >= 64) { /* @@ -260,7 +263,7 @@ sha1_final(sha1_ctx_t *ctx, uint32_t *output) { */ { int tail = ctx->octets_in_buffer % 4; - + /* copy/xor message into array */ for (i=0; i < (ctx->octets_in_buffer+3)/4; i++) W[i] = be32_to_cpu(ctx->M[i]); @@ -283,7 +286,7 @@ sha1_final(sha1_ctx_t *ctx, uint32_t *output) { W[i] = 0x80000000; break; } - + /* zeroize remaining words */ for (i++ ; i < 15; i++) W[i] = 0x0; @@ -299,7 +302,8 @@ sha1_final(sha1_ctx_t *ctx, uint32_t *output) { else if (ctx->octets_in_buffer < 60) W[15] = 0x0; - /* process the word array */ for (t=16; t < 80; t++) { + /* process the word array */ + for (t=16; t < 80; t++) { TEMP = W[t-3] ^ W[t-8] ^ W[t-14] ^ W[t-16]; W[t] = S1(TEMP); } |