110 static int sha512_compress(struct sha512_state *md, unsigned char *buf)  in sha512_compress()  argument
122 		S[i] = md->state[i];  in sha512_compress()
151 		md->state[i] = md->state[i] + S[i];  in sha512_compress()
161    @param md   The hash state you wish to initialize
164 void sha512_init(struct sha512_state *md)  in sha512_init()  argument
166 	md->curlen = 0;  in sha512_init()
167 	md->length = 0;  in sha512_init()
168 	md->state[0] = CONST64(0x6a09e667f3bcc908);  in sha512_init()
169 	md->state[1] = CONST64(0xbb67ae8584caa73b);  in sha512_init()
170 	md->state[2] = CONST64(0x3c6ef372fe94f82b);  in sha512_init()
171 	md->state[3] = CONST64(0xa54ff53a5f1d36f1);  in sha512_init()
172 	md->state[4] = CONST64(0x510e527fade682d1);  in sha512_init()
173 	md->state[5] = CONST64(0x9b05688c2b3e6c1f);  in sha512_init()
174 	md->state[6] = CONST64(0x1f83d9abfb41bd6b);  in sha512_init()
175 	md->state[7] = CONST64(0x5be0cd19137e2179);  in sha512_init()
181    @param md     The hash state
186 int sha512_process(struct sha512_state *md, const unsigned char *in,  in sha512_process()  argument
191 	if (md->curlen >= sizeof(md->buf))  in sha512_process()
195 		if (md->curlen == 0 && inlen >= SHA512_BLOCK_SIZE) {  in sha512_process()
196 			if (sha512_compress(md, (unsigned char *) in) < 0)  in sha512_process()
198 			md->length += SHA512_BLOCK_SIZE * 8;  in sha512_process()
202 			n = MIN(inlen, (SHA512_BLOCK_SIZE - md->curlen));  in sha512_process()
203 			os_memcpy(md->buf + md->curlen, in, n);  in sha512_process()
204 			md->curlen += n;  in sha512_process()
207 			if (md->curlen == SHA512_BLOCK_SIZE) {  in sha512_process()
208 				if (sha512_compress(md, md->buf) < 0)  in sha512_process()
210 				md->length += 8 * SHA512_BLOCK_SIZE;  in sha512_process()
211 				md->curlen = 0;  in sha512_process()
222    @param md  The hash state
226 int sha512_done(struct sha512_state *md, unsigned char *out)  in sha512_done()  argument
230 	if (md->curlen >= sizeof(md->buf))  in sha512_done()
234 	md->length += md->curlen * CONST64(8);  in sha512_done()
237 	md->buf[md->curlen++] = (unsigned char) 0x80;  in sha512_done()
243 	if (md->curlen > 112) {  in sha512_done()
244 		while (md->curlen < 128) {  in sha512_done()
245 			md->buf[md->curlen++] = (unsigned char) 0;  in sha512_done()
247 		sha512_compress(md, md->buf);  in sha512_done()
248 		md->curlen = 0;  in sha512_done()
255 	while (md->curlen < 120) {  in sha512_done()
256 		md->buf[md->curlen++] = (unsigned char) 0;  in sha512_done()
260 	WPA_PUT_BE64(md->buf + 120, md->length);  in sha512_done()
261 	sha512_compress(md, md->buf);  in sha512_done()
265 		WPA_PUT_BE64(out + (8 * i), md->state[i]);  in sha512_done()