return testresult;
}
+typedef struct {
+ const char *cipher;
+ int enc;
+} EVP_UPDATED_IV_TEST_st;
+
+static const EVP_UPDATED_IV_TEST_st evp_updated_iv_tests[] = {
+ {
+ "aes-128-cfb", 1
+ },
+ {
+ "aes-128-cfb", 0
+ },
+ {
+ "aes-128-cfb1", 1
+ },
+ {
+ "aes-128-cfb1", 0
+ },
+ {
+ "aes-128-cfb8", 1
+ },
+ {
+ "aes-128-cfb8", 0
+ },
+ {
+ "aes-128-ofb", 1
+ },
+ {
+ "aes-128-ofb", 0
+ },
+ {
+ "aes-128-ctr", 1
+ },
+ {
+ "aes-128-ctr", 0
+ },
+ {
+ "aes-128-cbc", 1
+ },
+ {
+ "aes-128-cbc", 0
+ }
+};
+
+/*
+ * Test that the IV in the context is updated during a crypto operation for CFB
+ * and OFB.
+ */
+static int test_evp_updated_iv(int idx)
+{
+ const EVP_UPDATED_IV_TEST_st *t = &evp_updated_iv_tests[idx];
+ int outlen1, outlen2;
+ int testresult = 0;
+ unsigned char outbuf[1024];
+ EVP_CIPHER_CTX *ctx = NULL;
+ EVP_CIPHER *type = NULL;
+ unsigned char updated_iv[EVP_MAX_IV_LENGTH];
+ int iv_len;
+ char *errmsg = NULL;
+
+ if (!TEST_ptr(ctx = EVP_CIPHER_CTX_new())) {
+ errmsg = "CTX_ALLOC";
+ goto err;
+ }
+ if ((type = EVP_CIPHER_fetch(testctx, t->cipher, testpropq)) == NULL) {
+ TEST_info("cipher %s not supported, skipping", t->cipher);
+ goto ok;
+ }
+
+ if (!TEST_true(EVP_CipherInit_ex(ctx, type, NULL, kCFBDefaultKey, iCFBIV, t->enc))) {
+ errmsg = "CIPHER_INIT";
+ goto err;
+ }
+ if (!TEST_true(EVP_CIPHER_CTX_set_padding(ctx, 0))) {
+ errmsg = "PADDING";
+ goto err;
+ }
+ if (!TEST_true(EVP_CipherUpdate(ctx, outbuf, &outlen1, cfbPlaintext, sizeof(cfbPlaintext)))) {
+ errmsg = "CIPHER_UPDATE";
+ goto err;
+ }
+ if (!TEST_true(EVP_CIPHER_CTX_get_updated_iv(ctx, updated_iv, sizeof(updated_iv)))) {
+ errmsg = "CIPHER_CTX_GET_UPDATED_IV";
+ goto err;
+ }
+ if (!TEST_true(iv_len = EVP_CIPHER_CTX_get_iv_length(ctx))) {
+ errmsg = "CIPHER_CTX_GET_IV_LEN";
+ goto err;
+ }
+ if (!TEST_mem_ne(iCFBIV, sizeof(iCFBIV), updated_iv, iv_len)) {
+ errmsg = "IV_NOT_UPDATED";
+ goto err;
+ }
+ if (!TEST_true(EVP_CipherFinal_ex(ctx, outbuf + outlen1, &outlen2))) {
+ errmsg = "CIPHER_FINAL";
+ goto err;
+ }
+ ok:
+ testresult = 1;
+ err:
+ if (errmsg != NULL)
+ TEST_info("test_evp_updated_iv %d: %s", idx, errmsg);
+ EVP_CIPHER_CTX_free(ctx);
+ EVP_CIPHER_free(type);
+ return testresult;
+}
+
typedef struct {
const unsigned char *iv1;
const unsigned char *iv2;
ADD_ALL_TESTS(test_evp_init_seq, OSSL_NELEM(evp_init_tests));
ADD_ALL_TESTS(test_evp_reset, OSSL_NELEM(evp_reset_tests));
ADD_ALL_TESTS(test_gcm_reinit, OSSL_NELEM(gcm_reinit_tests));
+ ADD_ALL_TESTS(test_evp_updated_iv, OSSL_NELEM(evp_updated_iv_tests));
#ifndef OPENSSL_NO_DEPRECATED_3_0
ADD_ALL_TESTS(test_custom_pmeth, 12);