117 void SHA1Init(SHA1_CTX* context)  in SHA1Init()  argument
120     context->state[0] = 0x67452301;  in SHA1Init()
121     context->state[1] = 0xEFCDAB89;  in SHA1Init()
122     context->state[2] = 0x98BADCFE;  in SHA1Init()
123     context->state[3] = 0x10325476;  in SHA1Init()
124     context->state[4] = 0xC3D2E1F0;  in SHA1Init()
125     context->count[0] = context->count[1] = 0;  in SHA1Init()
131 void SHA1Update(SHA1_CTX* context, const unsigned char* data, uint32_t len)  in SHA1Update()  argument
135     j = context->count[0];  in SHA1Update()
136     if ((context->count[0] += len << 3) < j)  in SHA1Update()
137         context->count[1]++;  in SHA1Update()
138     context->count[1] += (len>>29);  in SHA1Update()
141         memcpy(&context->buffer[j], data, (i = 64-j));  in SHA1Update()
142         SHA1Transform(context->state, context->buffer);  in SHA1Update()
144             SHA1Transform(context->state, &data[i]);  in SHA1Update()
149     memcpy(&context->buffer[j], &data[i], len - i);  in SHA1Update()
155 void SHA1Final(unsigned char digest[20], SHA1_CTX* context)  in SHA1Final()  argument
171         uint32_t t = context->count[i];  in SHA1Final()
179         finalcount[i] = (unsigned char)((context->count[(i >= 4 ? 0 : 1)]  in SHA1Final()
184     SHA1Update(context, &c, 1);  in SHA1Final()
185     while ((context->count[0] & 504) != 448) {  in SHA1Final()
187         SHA1Update(context, &c, 1);  in SHA1Final()
189     SHA1Update(context, finalcount, 8);  /* Should cause a SHA1Transform() */  in SHA1Final()
192          ((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);  in SHA1Final()
195     memset(context, '\0', sizeof(*context));  in SHA1Final()