Compat updates

- implement `wolfSSL_PEM_X509_INFO_read`
- `wolfSSL_EVP_CipherUpdate` no-ops on `NULL` input
- add md4 support to `wolfSSL_EVP_MD_block_size` and `wolfSSL_EVP_MD_size`

src/ssl.c

@@ -44301,6 +44301,21 @@ err:
 #endif /* WOLFSSL_PEM_TO_DER || WOLFSSL_DER_TO_PEM */
     }
 
+    WOLFSSL_API WOLF_STACK_OF(WOLFSSL_X509_INFO)* wolfSSL_PEM_X509_INFO_read(
+            XFILE fp, WOLF_STACK_OF(WOLFSSL_X509_INFO)* sk,
+            pem_password_cb* cb, void* u)
+    {
+        WOLFSSL_BIO* file_bio = wolfSSL_BIO_new_fp(fp, BIO_NOCLOSE);
+        WOLF_STACK_OF(WOLFSSL_X509_INFO)* ret = NULL;
+
+        WOLFSSL_ENTER("wolfSSL_PEM_X509_INFO_read");
+        if (file_bio != NULL) {
+            ret = wolfSSL_PEM_X509_INFO_read_bio(file_bio, sk, cb, u);
+            wolfSSL_BIO_free(file_bio);
+        }
+        return ret;
+    }
+
     /*
      * bio WOLFSSL_BIO to read certificates from
      * sk  possible stack to push more X509_INFO structs to. Can be NULL

wolfcrypt/src/evp.c

@@ -658,6 +658,11 @@ int wolfSSL_EVP_CipherUpdate(WOLFSSL_EVP_CIPHER_CTX *ctx,
     int fill;
 
     WOLFSSL_ENTER("wolfSSL_EVP_CipherUpdate");
+    if (inl == 0 && in == NULL ) {
+        /* Nothing to do in this case. Just return. */
+        return WOLFSSL_SUCCESS;
+    }
+
     if ((ctx == NULL) || (inl < 0) || (outl == NULL)|| (in == NULL)) {
         WOLFSSL_MSG("Bad argument");
         return WOLFSSL_FAILURE;
@@ -7245,6 +7250,11 @@ int wolfSSL_EVP_MD_block_size(const WOLFSSL_EVP_MD* type)
     if (XSTRNCMP(type, "SHA256", 6) == 0) {
         return WC_SHA256_BLOCK_SIZE;
     }
+#ifndef NO_MD4
+    else if (XSTRNCMP(type, "MD4", 3) == 0) {
+        return MD4_BLOCK_SIZE;
+    }
+#endif
 #ifndef NO_MD5
     else if (XSTRNCMP(type, "MD5", 3) == 0) {
         return WC_MD5_BLOCK_SIZE;
@@ -7309,6 +7319,11 @@ int wolfSSL_EVP_MD_size(const WOLFSSL_EVP_MD* type)
     if (XSTRNCMP(type, "SHA256", 6) == 0) {
         return WC_SHA256_DIGEST_SIZE;
     }
+#ifndef NO_MD4
+    else if (XSTRNCMP(type, "MD4", 3) == 0) {
+        return MD4_DIGEST_SIZE;
+    }
+#endif
 #ifndef NO_MD5
     else if (XSTRNCMP(type, "MD5", 3) == 0) {
         return WC_MD5_DIGEST_SIZE;

wolfssl/openssl/asn1.h

@@ -30,6 +30,7 @@
 #define ASN1_STRING_type_new wolfSSL_ASN1_STRING_type_new
 #define ASN1_STRING_type     wolfSSL_ASN1_STRING_type
 #define ASN1_STRING_set      wolfSSL_ASN1_STRING_set
+#define ASN1_OCTET_STRING_set wolfSSL_ASN1_STRING_set
 #define ASN1_STRING_free     wolfSSL_ASN1_STRING_free
 
 #define ASN1_get_object      wolfSSL_ASN1_get_object

wolfssl/openssl/ssl.h

@@ -420,6 +420,7 @@ typedef STACK_OF(ACCESS_DESCRIPTION) AUTHORITY_INFO_ACCESS;
 #define PEM_write_bio_X509              wolfSSL_PEM_write_bio_X509
 #define PEM_write_bio_X509_AUX          wolfSSL_PEM_write_bio_X509_AUX
 #define PEM_X509_INFO_read_bio          wolfSSL_PEM_X509_INFO_read_bio
+#define PEM_X509_INFO_read              wolfSSL_PEM_X509_INFO_read
 #define i2d_PrivateKey                  wolfSSL_i2d_PrivateKey
 #define i2d_PublicKey                   wolfSSL_i2d_PublicKey
 
@@ -821,8 +822,10 @@ wolfSSL_X509_STORE_set_verify_cb((WOLFSSL_X509_STORE *)(s), (WOLFSSL_X509_STORE_
 #define i2d_ASN1_OBJECT                 wolfSSL_i2d_ASN1_OBJECT
 
 #define ASN1_STRING_new                 wolfSSL_ASN1_STRING_new
+#define ASN1_OCTET_STRING_new           wolfSSL_ASN1_STRING_new
 #define ASN1_STRING_free                wolfSSL_ASN1_STRING_free
 #define ASN1_STRING_cmp                 wolfSSL_ASN1_STRING_cmp
+#define ASN1_OCTET_STRING_cmp           wolfSSL_ASN1_STRING_cmp
 #define ASN1_STRING_data                wolfSSL_ASN1_STRING_data
 #define ASN1_STRING_get0_data           wolfSSL_ASN1_STRING_get0_data
 #define ASN1_STRING_length              wolfSSL_ASN1_STRING_length

wolfssl/ssl.h

@@ -4047,6 +4047,9 @@ WOLFSSL_API WOLFSSL_X509_CRL *wolfSSL_PEM_read_bio_X509_CRL(WOLFSSL_BIO *bp,
         WOLFSSL_X509_CRL **x, wc_pem_password_cb *cb, void *u);
 WOLFSSL_API WOLFSSL_X509 *wolfSSL_PEM_read_bio_X509_AUX
         (WOLFSSL_BIO *bp, WOLFSSL_X509 **x, wc_pem_password_cb *cb, void *u);
+WOLFSSL_API WOLF_STACK_OF(WOLFSSL_X509_INFO)* wolfSSL_PEM_X509_INFO_read(
+        XFILE fp, WOLF_STACK_OF(WOLFSSL_X509_INFO)* sk,
+        pem_password_cb* cb, void* u);
 WOLFSSL_API WOLF_STACK_OF(WOLFSSL_X509_INFO)* wolfSSL_PEM_X509_INFO_read_bio(
         WOLFSSL_BIO* bio, WOLF_STACK_OF(WOLFSSL_X509_INFO)* sk,
         wc_pem_password_cb* cb, void* u);