Merge pull request #5414 from darktohka/feature/chacha20-poly1305-evp

Integrate chacha20-poly1305 into the EVP interface

src/ssl.c

@@ -25793,6 +25793,9 @@ const WOLFSSL_ObjectInfo wolfssl_object_info[] = {
         { NID_des, DESb, oidBlkType, "DES-CBC", "des-cbc"},
         { NID_des3, DES3b, oidBlkType, "DES-EDE3-CBC", "des-ede3-cbc"},
     #endif /* !NO_DES3 */
+    #if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
+        { NID_chacha20_poly1305, NID_chacha20_poly1305, oidBlkType, "ChaCha20-Poly1305", "chacha20-poly1305"},
+    #endif
 
         /* oidOcspType */
     #ifdef HAVE_OCSP

tests/api.c

@@ -4462,6 +4462,10 @@ static int test_wolfSSL_EVP_get_cipherbynid(void)
 #endif
 #endif /* !NO_DES3 */
 
+#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
+    AssertNotNull(strcmp("EVP_CHACHA20_POLY13O5", EVP_get_cipherbynid(1018)));
+#endif
+
   /* test for nid is out of range */
   AssertNull(wolfSSL_EVP_get_cipherbynid(1));
 
@@ -45587,6 +45591,10 @@ static int test_wolfSSL_EVP_CIPHER_block_size(void)
     AssertIntEQ(EVP_CIPHER_block_size(wolfSSL_EVP_rc4()), 1);
 #endif
 
+#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
+    AssertIntEQ(EVP_CIPHER_block_size(wolfSSL_EVP_chacha20_poly1305()), 1);
+#endif
+
     return 0;
 }
 
@@ -45636,6 +45644,9 @@ static int test_wolfSSL_EVP_CIPHER_iv_length(void)
          NID_des_cbc,
          NID_des_ede3_cbc,
     #endif
+    #if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
+         NID_chacha20_poly1305,
+    #endif
     };
 
     int iv_lengths[] = {
@@ -45679,6 +45690,9 @@ static int test_wolfSSL_EVP_CIPHER_iv_length(void)
             DES_BLOCK_SIZE,
             DES_BLOCK_SIZE,
     #endif
+    #if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
+            CHACHA20_POLY1305_AEAD_IV_SIZE,
+    #endif
     };
 
     printf(testingFmt, "wolfSSL_EVP_CIPHER_iv_length");

wolfcrypt/src/evp.c

@@ -243,6 +243,9 @@ int wolfSSL_EVP_Cipher_key_length(const WOLFSSL_EVP_CIPHER* c)
       case DES_EDE3_CBC_TYPE: return 24;
       case DES_ECB_TYPE:      return 8;
       case DES_EDE3_ECB_TYPE: return 24;
+  #endif
+  #if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
+      case CHACHA20_POLY1305_TYPE: return 32;
   #endif
       default:
           return 0;
@@ -1289,6 +1292,12 @@ static unsigned int cipherType(const WOLFSSL_EVP_CIPHER *cipher)
     else if (EVP_CIPHER_TYPE_MATCHES(cipher, EVP_ARC4))
       return ARC4_TYPE;
 #endif
+
+#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
+    else if (EVP_CIPHER_TYPE_MATCHES(cipher, EVP_CHACHA20_POLY1305))
+        return CHACHA20_POLY1305_TYPE;
+#endif
+
       else return 0;
 }
 
@@ -1357,6 +1366,11 @@ int wolfSSL_EVP_CIPHER_block_size(const WOLFSSL_EVP_CIPHER *cipher)
       case DES_ECB_TYPE: return 8;
       case DES_EDE3_ECB_TYPE: return 8;
 #endif
+
+#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
+      case CHACHA20_POLY1305_TYPE:
+          return 1;
+#endif
       default:
           return 0;
       }
@@ -1424,6 +1438,11 @@ unsigned long WOLFSSL_CIPHER_mode(const WOLFSSL_EVP_CIPHER *cipher)
     #ifndef NO_RC4
         case ARC4_TYPE:
             return EVP_CIPH_STREAM_CIPHER;
+    #endif
+    #if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
+        case CHACHA20_POLY1305_TYPE:
+            return WOLFSSL_EVP_CIPH_STREAM_CIPHER |
+                    WOLFSSL_EVP_CIPH_FLAG_AEAD_CIPHER;
     #endif
         default:
             return 0;
@@ -4152,6 +4171,10 @@ static const struct cipher{
     {ARC4_TYPE, EVP_ARC4, NID_undef},
 #endif
 
+#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
+    {CHACHA20_POLY1305_TYPE, EVP_CHACHA20_POLY1305, NID_chacha20_poly1305},
+#endif
+
     { 0, NULL, 0}
 };
 
@@ -4248,6 +4271,9 @@ const WOLFSSL_EVP_CIPHER *wolfSSL_EVP_get_cipherbyname(const char *name)
 #endif
 #ifndef NO_RC4
         {EVP_ARC4, "RC4"},
+#endif
+#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
+        {EVP_CHACHA20_POLY1305, "chacha20-poly1305"},
 #endif
         { NULL, NULL}
     };
@@ -4362,6 +4388,11 @@ const WOLFSSL_EVP_CIPHER *wolfSSL_EVP_get_cipherbynid(int id)
 #endif
 #endif /*NO_DES3*/
 
+#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
+        case NID_chacha20_poly1305:
+            return wolfSSL_EVP_chacha20_poly1305();
+#endif
+
         default:
             WOLFSSL_MSG("Bad cipher id value");
     }
@@ -8355,6 +8386,11 @@ int wolfSSL_EVP_CIPHER_CTX_iv_length(const WOLFSSL_EVP_CIPHER_CTX* ctx)
             WOLFSSL_MSG("AES XTS");
             return AES_BLOCK_SIZE;
 #endif /* WOLFSSL_AES_XTS */
+#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
+        case CHACHA20_POLY1305_TYPE:
+            WOLFSSL_MSG("CHACHA20 POLY1305");
+            return CHACHA20_POLY1305_AEAD_IV_SIZE;
+#endif /* HAVE_CHACHA HAVE_POLY1305 */
 
         case NULL_CIPHER_TYPE :
             WOLFSSL_MSG("NULL");
@@ -8439,6 +8475,11 @@ int wolfSSL_EVP_CIPHER_iv_length(const WOLFSSL_EVP_CIPHER* cipher)
     }
 #endif
 
+#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
+    if (XSTRCMP(name, EVP_CHACHA20_POLY1305) == 0)
+        return CHACHA20_POLY1305_AEAD_IV_SIZE;
+#endif
+
     (void)name;
 
     return 0;