75 static int __sha512_starts(sha512_context *ctx, int is384)  in __sha512_starts()  argument
77 	ctx->total[0] = 0;  in __sha512_starts()
78 	ctx->total[1] = 0;  in __sha512_starts()
82 		ctx->state[0] = UL64(0x6A09E667F3BCC908);  in __sha512_starts()
83 		ctx->state[1] = UL64(0xBB67AE8584CAA73B);  in __sha512_starts()
84 		ctx->state[2] = UL64(0x3C6EF372FE94F82B);  in __sha512_starts()
85 		ctx->state[3] = UL64(0xA54FF53A5F1D36F1);  in __sha512_starts()
86 		ctx->state[4] = UL64(0x510E527FADE682D1);  in __sha512_starts()
87 		ctx->state[5] = UL64(0x9B05688C2B3E6C1F);  in __sha512_starts()
88 		ctx->state[6] = UL64(0x1F83D9ABFB41BD6B);  in __sha512_starts()
89 		ctx->state[7] = UL64(0x5BE0CD19137E2179);  in __sha512_starts()
92 		ctx->state[0] = UL64(0xCBBB9D5DC1059ED8);  in __sha512_starts()
93 		ctx->state[1] = UL64(0x629A292A367CD507);  in __sha512_starts()
94 		ctx->state[2] = UL64(0x9159015A3070DD17);  in __sha512_starts()
95 		ctx->state[3] = UL64(0x152FECD8F70E5939);  in __sha512_starts()
96 		ctx->state[4] = UL64(0x67332667FFC00B31);  in __sha512_starts()
97 		ctx->state[5] = UL64(0x8EB44A8768581511);  in __sha512_starts()
98 		ctx->state[6] = UL64(0xDB0C2E0D64F98FA7);  in __sha512_starts()
99 		ctx->state[7] = UL64(0x47B5481DBEFA4FA4);  in __sha512_starts()
102 	ctx->is384 = is384;  in __sha512_starts()
107 int sha512_starts(sha512_context *ctx)  in sha512_starts()  argument
109 	return __sha512_starts(ctx, 0);  in sha512_starts()
158 static int sha512_process(sha512_context *ctx, const unsigned char data[128])  in sha512_process()  argument
192 	A = ctx->state[0];  in sha512_process()
193 	B = ctx->state[1];  in sha512_process()
194 	C = ctx->state[2];  in sha512_process()
195 	D = ctx->state[3];  in sha512_process()
196 	E = ctx->state[4];  in sha512_process()
197 	F = ctx->state[5];  in sha512_process()
198 	G = ctx->state[6];  in sha512_process()
199 	H = ctx->state[7];  in sha512_process()
221 	ctx->state[0] += A;  in sha512_process()
222 	ctx->state[1] += B;  in sha512_process()
223 	ctx->state[2] += C;  in sha512_process()
224 	ctx->state[3] += D;  in sha512_process()
225 	ctx->state[4] += E;  in sha512_process()
226 	ctx->state[5] += F;  in sha512_process()
227 	ctx->state[6] += G;  in sha512_process()
228 	ctx->state[7] += H;  in sha512_process()
236 int sha512_update(sha512_context *ctx, const unsigned char *input, size_t ilen)  in sha512_update()  argument
245 	left = (unsigned int)(ctx->total[0] & 0x7F);  in sha512_update()
248 	ctx->total[0] += (uint64_t)ilen;  in sha512_update()
250 	if (ctx->total[0] < (uint64_t)ilen)  in sha512_update()
251 		ctx->total[1]++;  in sha512_update()
254 		memcpy((void *)(ctx->buffer + left), input, fill);  in sha512_update()
256 		if ((ret = sha512_process(ctx, ctx->buffer)) != 0)  in sha512_update()
265 		if ((ret = sha512_process(ctx, input)) != 0)  in sha512_update()
273 		memcpy((void *)(ctx->buffer + left), input, ilen);  in sha512_update()
281 int sha512_finish(sha512_context *ctx, unsigned char output[64])  in sha512_finish()  argument
290 	used = ctx->total[0] & 0x7F;  in sha512_finish()
292 	ctx->buffer[used++] = 0x80;  in sha512_finish()
296 		memset(ctx->buffer + used, 0, 112 - used);  in sha512_finish()
299 		memset(ctx->buffer + used, 0, 128 - used);  in sha512_finish()
301 		if ((ret = sha512_process(ctx, ctx->buffer)) != 0)  in sha512_finish()
304 		memset(ctx->buffer, 0, 112);  in sha512_finish()
310 	high = (ctx->total[0] >> 61)  in sha512_finish()
311 	       | (ctx->total[1] <<  3);  in sha512_finish()
312 	low  = (ctx->total[0] <<  3);  in sha512_finish()
314 	PUT_UINT64_BE(high, ctx->buffer, 112);  in sha512_finish()
315 	PUT_UINT64_BE(low,  ctx->buffer, 120);  in sha512_finish()
317 	if ((ret = sha512_process(ctx, ctx->buffer)) != 0)  in sha512_finish()
323 	PUT_UINT64_BE(ctx->state[0], output,  0);  in sha512_finish()
324 	PUT_UINT64_BE(ctx->state[1], output,  8);  in sha512_finish()
325 	PUT_UINT64_BE(ctx->state[2], output, 16);  in sha512_finish()
326 	PUT_UINT64_BE(ctx->state[3], output, 24);  in sha512_finish()
327 	PUT_UINT64_BE(ctx->state[4], output, 32);  in sha512_finish()
328 	PUT_UINT64_BE(ctx->state[5], output, 40);  in sha512_finish()
330 	if (ctx->is384 == 0) {  in sha512_finish()
331 		PUT_UINT64_BE(ctx->state[6], output, 48);  in sha512_finish()
332 		PUT_UINT64_BE(ctx->state[7], output, 56);  in sha512_finish()
341 	sha512_context ctx;  in sha512_csum()  local
343 	sha512_starts(&ctx);  in sha512_csum()
344 	sha512_update(&ctx, input, ilen);  in sha512_csum()
345 	sha512_finish(&ctx, output);  in sha512_csum()