42 	struct crypto_hash *ctx;  in crypto_hash_init()  local
47 	ctx = os_zalloc(sizeof(*ctx));  in crypto_hash_init()
48 	if (ctx == NULL)  in crypto_hash_init()
51 	ctx->alg = alg;  in crypto_hash_init()
55 		MD5Init(&ctx->u.md5);  in crypto_hash_init()
58 		SHA1Init(&ctx->u.sha1);  in crypto_hash_init()
62 		sha256_init(&ctx->u.sha256);  in crypto_hash_init()
67 		sha384_init(&ctx->u.sha384);  in crypto_hash_init()
72 		sha512_init(&ctx->u.sha512);  in crypto_hash_init()
77 			MD5Init(&ctx->u.md5);  in crypto_hash_init()
78 			MD5Update(&ctx->u.md5, key, key_len);  in crypto_hash_init()
79 			MD5Final(tk, &ctx->u.md5);  in crypto_hash_init()
83 		os_memcpy(ctx->key, key, key_len);  in crypto_hash_init()
84 		ctx->key_len = key_len;  in crypto_hash_init()
91 		MD5Init(&ctx->u.md5);  in crypto_hash_init()
92 		MD5Update(&ctx->u.md5, k_pad, sizeof(k_pad));  in crypto_hash_init()
96 			SHA1Init(&ctx->u.sha1);  in crypto_hash_init()
97 			SHA1Update(&ctx->u.sha1, key, key_len);  in crypto_hash_init()
98 			SHA1Final(tk, &ctx->u.sha1);  in crypto_hash_init()
102 		os_memcpy(ctx->key, key, key_len);  in crypto_hash_init()
103 		ctx->key_len = key_len;  in crypto_hash_init()
110 		SHA1Init(&ctx->u.sha1);  in crypto_hash_init()
111 		SHA1Update(&ctx->u.sha1, k_pad, sizeof(k_pad));  in crypto_hash_init()
116 			sha256_init(&ctx->u.sha256);  in crypto_hash_init()
117 			sha256_process(&ctx->u.sha256, key, key_len);  in crypto_hash_init()
118 			sha256_done(&ctx->u.sha256, tk);  in crypto_hash_init()
122 		os_memcpy(ctx->key, key, key_len);  in crypto_hash_init()
123 		ctx->key_len = key_len;  in crypto_hash_init()
130 		sha256_init(&ctx->u.sha256);  in crypto_hash_init()
131 		sha256_process(&ctx->u.sha256, k_pad, sizeof(k_pad));  in crypto_hash_init()
135 		os_free(ctx);  in crypto_hash_init()
139 	return ctx;  in crypto_hash_init()
143 void crypto_hash_update(struct crypto_hash *ctx, const u8 *data, size_t len)  in crypto_hash_update()  argument
145 	if (ctx == NULL)  in crypto_hash_update()
148 	switch (ctx->alg) {  in crypto_hash_update()
151 		MD5Update(&ctx->u.md5, data, len);  in crypto_hash_update()
155 		SHA1Update(&ctx->u.sha1, data, len);  in crypto_hash_update()
160 		sha256_process(&ctx->u.sha256, data, len);  in crypto_hash_update()
165 		sha384_process(&ctx->u.sha384, data, len);  in crypto_hash_update()
170 		sha512_process(&ctx->u.sha512, data, len);  in crypto_hash_update()
179 int crypto_hash_finish(struct crypto_hash *ctx, u8 *mac, size_t *len)  in crypto_hash_finish()  argument
184 	if (ctx == NULL)  in crypto_hash_finish()
188 		os_free(ctx);  in crypto_hash_finish()
192 	switch (ctx->alg) {  in crypto_hash_finish()
196 			os_free(ctx);  in crypto_hash_finish()
200 		MD5Final(mac, &ctx->u.md5);  in crypto_hash_finish()
205 			os_free(ctx);  in crypto_hash_finish()
209 		SHA1Final(mac, &ctx->u.sha1);  in crypto_hash_finish()
215 			os_free(ctx);  in crypto_hash_finish()
219 		sha256_done(&ctx->u.sha256, mac);  in crypto_hash_finish()
226 			os_free(ctx);  in crypto_hash_finish()
230 		sha384_done(&ctx->u.sha384, mac);  in crypto_hash_finish()
237 			os_free(ctx);  in crypto_hash_finish()
241 		sha512_done(&ctx->u.sha512, mac);  in crypto_hash_finish()
247 			os_free(ctx);  in crypto_hash_finish()
252 		MD5Final(mac, &ctx->u.md5);  in crypto_hash_finish()
254 		os_memcpy(k_pad, ctx->key, ctx->key_len);  in crypto_hash_finish()
255 		os_memset(k_pad + ctx->key_len, 0,  in crypto_hash_finish()
256 			  sizeof(k_pad) - ctx->key_len);  in crypto_hash_finish()
259 		MD5Init(&ctx->u.md5);  in crypto_hash_finish()
260 		MD5Update(&ctx->u.md5, k_pad, sizeof(k_pad));  in crypto_hash_finish()
261 		MD5Update(&ctx->u.md5, mac, 16);  in crypto_hash_finish()
262 		MD5Final(mac, &ctx->u.md5);  in crypto_hash_finish()
267 			os_free(ctx);  in crypto_hash_finish()
272 		SHA1Final(mac, &ctx->u.sha1);  in crypto_hash_finish()
274 		os_memcpy(k_pad, ctx->key, ctx->key_len);  in crypto_hash_finish()
275 		os_memset(k_pad + ctx->key_len, 0,  in crypto_hash_finish()
276 			  sizeof(k_pad) - ctx->key_len);  in crypto_hash_finish()
279 		SHA1Init(&ctx->u.sha1);  in crypto_hash_finish()
280 		SHA1Update(&ctx->u.sha1, k_pad, sizeof(k_pad));  in crypto_hash_finish()
281 		SHA1Update(&ctx->u.sha1, mac, 20);  in crypto_hash_finish()
282 		SHA1Final(mac, &ctx->u.sha1);  in crypto_hash_finish()
288 			os_free(ctx);  in crypto_hash_finish()
293 		sha256_done(&ctx->u.sha256, mac);  in crypto_hash_finish()
295 		os_memcpy(k_pad, ctx->key, ctx->key_len);  in crypto_hash_finish()
296 		os_memset(k_pad + ctx->key_len, 0,  in crypto_hash_finish()
297 			  sizeof(k_pad) - ctx->key_len);  in crypto_hash_finish()
300 		sha256_init(&ctx->u.sha256);  in crypto_hash_finish()
301 		sha256_process(&ctx->u.sha256, k_pad, sizeof(k_pad));  in crypto_hash_finish()
302 		sha256_process(&ctx->u.sha256, mac, 32);  in crypto_hash_finish()
303 		sha256_done(&ctx->u.sha256, mac);  in crypto_hash_finish()
307 		os_free(ctx);  in crypto_hash_finish()
311 	os_free(ctx);  in crypto_hash_finish()