100 int aes_encrypt(void *ctx, const u8 *plain, u8 *crypt)  in aes_encrypt()  argument
102 	symmetric_key *skey = ctx;  in aes_encrypt()
107 void aes_encrypt_deinit(void *ctx)  in aes_encrypt_deinit()  argument
109 	symmetric_key *skey = ctx;  in aes_encrypt_deinit()
129 int aes_decrypt(void *ctx, const u8 *crypt, u8 *plain)  in aes_decrypt()  argument
131 	symmetric_key *skey = ctx;  in aes_decrypt()
136 void aes_decrypt_deinit(void *ctx)  in aes_decrypt_deinit()  argument
138 	symmetric_key *skey = ctx;  in aes_decrypt_deinit()
157 	struct crypto_hash *ctx;  in crypto_hash_init()  local
159 	ctx = os_zalloc(sizeof(*ctx));  in crypto_hash_init()
160 	if (ctx == NULL)  in crypto_hash_init()
163 	ctx->alg = alg;  in crypto_hash_init()
167 		if (md5_init(&ctx->u.md) != CRYPT_OK)  in crypto_hash_init()
171 		if (sha1_init(&ctx->u.md) != CRYPT_OK)  in crypto_hash_init()
175 		if (hmac_init(&ctx->u.hmac, find_hash("md5"), key, key_len) !=  in crypto_hash_init()
180 		if (hmac_init(&ctx->u.hmac, find_hash("sha1"), key, key_len) !=  in crypto_hash_init()
188 	return ctx;  in crypto_hash_init()
191 	os_free(ctx);  in crypto_hash_init()
195 void crypto_hash_update(struct crypto_hash *ctx, const u8 *data, size_t len)  in crypto_hash_update()  argument
197 	if (ctx == NULL || ctx->error)  in crypto_hash_update()
200 	switch (ctx->alg) {  in crypto_hash_update()
202 		ctx->error = md5_process(&ctx->u.md, data, len) != CRYPT_OK;  in crypto_hash_update()
205 		ctx->error = sha1_process(&ctx->u.md, data, len) != CRYPT_OK;  in crypto_hash_update()
209 		ctx->error = hmac_process(&ctx->u.hmac, data, len) != CRYPT_OK;  in crypto_hash_update()
215 int crypto_hash_finish(struct crypto_hash *ctx, u8 *mac, size_t *len)  in crypto_hash_finish()  argument
220 	if (ctx == NULL)  in crypto_hash_finish()
224 		os_free(ctx);  in crypto_hash_finish()
228 	if (ctx->error) {  in crypto_hash_finish()
229 		os_free(ctx);  in crypto_hash_finish()
233 	switch (ctx->alg) {  in crypto_hash_finish()
237 			os_free(ctx);  in crypto_hash_finish()
241 		if (md5_done(&ctx->u.md, mac) != CRYPT_OK)  in crypto_hash_finish()
247 			os_free(ctx);  in crypto_hash_finish()
251 		if (sha1_done(&ctx->u.md, mac) != CRYPT_OK)  in crypto_hash_finish()
257 			os_free(ctx);  in crypto_hash_finish()
264 			os_free(ctx);  in crypto_hash_finish()
268 		if (hmac_done(&ctx->u.hmac, mac, &clen) != CRYPT_OK) {  in crypto_hash_finish()
269 			os_free(ctx);  in crypto_hash_finish()
279 	os_free(ctx);  in crypto_hash_finish()
305 	struct crypto_cipher *ctx;  in crypto_cipher_init()  local
329 	ctx = os_zalloc(sizeof(*ctx));  in crypto_cipher_init()
330 	if (ctx == NULL)  in crypto_cipher_init()
334 		ctx->rc4 = 1;  in crypto_cipher_init()
335 		if (key_len > sizeof(ctx->u.rc4.key)) {  in crypto_cipher_init()
336 			os_free(ctx);  in crypto_cipher_init()
339 		ctx->u.rc4.keylen = key_len;  in crypto_cipher_init()
340 		os_memcpy(ctx->u.rc4.key, key, key_len);  in crypto_cipher_init()
342 		res = cbc_start(idx, iv, key, key_len, 0, &ctx->u.cbc);  in crypto_cipher_init()
346 			os_free(ctx);  in crypto_cipher_init()
351 	return ctx;  in crypto_cipher_init()
354 int crypto_cipher_encrypt(struct crypto_cipher *ctx, const u8 *plain,  in crypto_cipher_encrypt()  argument
359 	if (ctx->rc4) {  in crypto_cipher_encrypt()
362 		rc4_skip(ctx->u.rc4.key, ctx->u.rc4.keylen,  in crypto_cipher_encrypt()
363 			 ctx->u.rc4.used_bytes, crypt, len);  in crypto_cipher_encrypt()
364 		ctx->u.rc4.used_bytes += len;  in crypto_cipher_encrypt()
368 	res = cbc_encrypt(plain, crypt, len, &ctx->u.cbc);  in crypto_cipher_encrypt()
378 int crypto_cipher_decrypt(struct crypto_cipher *ctx, const u8 *crypt,  in crypto_cipher_decrypt()  argument
383 	if (ctx->rc4) {  in crypto_cipher_decrypt()
386 		rc4_skip(ctx->u.rc4.key, ctx->u.rc4.keylen,  in crypto_cipher_decrypt()
387 			 ctx->u.rc4.used_bytes, plain, len);  in crypto_cipher_decrypt()
388 		ctx->u.rc4.used_bytes += len;  in crypto_cipher_decrypt()
392 	res = cbc_decrypt(crypt, plain, len, &ctx->u.cbc);  in crypto_cipher_decrypt()
403 void crypto_cipher_deinit(struct crypto_cipher *ctx)  in crypto_cipher_deinit()  argument
405 	if (!ctx->rc4)  in crypto_cipher_deinit()
406 		cbc_done(&ctx->u.cbc);  in crypto_cipher_deinit()
407 	os_free(ctx);  in crypto_cipher_deinit()