115 static void sha512_compress(struct hash_state * md, const unsigned char *buf)  in sha512_compress()  argument
122 		S[i] = md->sha512.state[i];  in sha512_compress()
149 		md->sha512.state[i] = md->sha512.state[i] + S[i];  in sha512_compress()
153 static void sha512_init(struct hash_state * md)  in sha512_init()  argument
155 	md->sha512.curlen = 0;  in sha512_init()
156 	md->sha512.length = 0;  in sha512_init()
157 	md->sha512.state[0] = CONST64(0x6a09e667f3bcc908);  in sha512_init()
158 	md->sha512.state[1] = CONST64(0xbb67ae8584caa73b);  in sha512_init()
159 	md->sha512.state[2] = CONST64(0x3c6ef372fe94f82b);  in sha512_init()
160 	md->sha512.state[3] = CONST64(0xa54ff53a5f1d36f1);  in sha512_init()
161 	md->sha512.state[4] = CONST64(0x510e527fade682d1);  in sha512_init()
162 	md->sha512.state[5] = CONST64(0x9b05688c2b3e6c1f);  in sha512_init()
163 	md->sha512.state[6] = CONST64(0x1f83d9abfb41bd6b);  in sha512_init()
164 	md->sha512.state[7] = CONST64(0x5be0cd19137e2179);  in sha512_init()
167 static void sha512_done(struct hash_state * md, unsigned char *out)  in sha512_done()  argument
172 	md->sha512.length += md->sha512.curlen * CONST64(8);  in sha512_done()
175 	md->sha512.buf[md->sha512.curlen++] = (unsigned char)0x80;  in sha512_done()
180 	if (md->sha512.curlen > 112) {  in sha512_done()
181 		while (md->sha512.curlen < 128) {  in sha512_done()
182 			md->sha512.buf[md->sha512.curlen++] = (unsigned char)0;  in sha512_done()
184 		sha512_compress(md, md->sha512.buf);  in sha512_done()
185 		md->sha512.curlen = 0;  in sha512_done()
190 	while (md->sha512.curlen < 120) {  in sha512_done()
191 		md->sha512.buf[md->sha512.curlen++] = (unsigned char)0;  in sha512_done()
195 	STORE64H(md->sha512.length, md->sha512.buf + 120);  in sha512_done()
196 	sha512_compress(md, md->sha512.buf);  in sha512_done()
200 		STORE64H(md->sha512.state[i], out+(8 * i));  in sha512_done()
206 static void sha512_process(struct hash_state * md,  in sha512_process()  argument
213 		if (md->sha512.curlen == 0 && inlen >= SHA512_BLOCKSIZE) {  in sha512_process()
214 			sha512_compress(md, in);  in sha512_process()
215 			md->sha512.length += SHA512_BLOCKSIZE * 8;  in sha512_process()
219 			n = MIN(inlen, (SHA512_BLOCKSIZE - md->sha512.curlen));  in sha512_process()
220 			memcpy(md->sha512.buf + md->sha512.curlen,  in sha512_process()
222 			md->sha512.curlen += n;  in sha512_process()
225 			if (md->sha512.curlen == SHA512_BLOCKSIZE) {  in sha512_process()
226 				sha512_compress(md, md->sha512.buf);  in sha512_process()
227 				md->sha512.length += SHA512_BLOCKSIZE * 8;  in sha512_process()
228 				md->sha512.curlen = 0;  in sha512_process()
237 	struct hash_state md;  in ext2fs_sha512()  local
239 	sha512_init(&md);  in ext2fs_sha512()
240 	sha512_process(&md, in, in_size);  in ext2fs_sha512()
241 	sha512_done(&md, out);  in ext2fs_sha512()