openssl: Update crypter API to OpenSSL 1.1.0

EVP_CIPHER and EVP_CIPHER_CTX are now opaque types, the getters already
existed before.

diff --git a/src/libstrongswan/plugins/openssl/openssl_crypter.c b/src/libstrongswan/plugins/openssl/openssl_crypter.c
index 72a9ad9..b9085f9 100644 (file)
--- a/src/libstrongswan/plugins/openssl/openssl_crypter.c
+++ b/src/libstrongswan/plugins/openssl/openssl_crypter.c
@@ -93,8 +93,10 @@ static char* lookup_algorithm(uint16_t ikev2_algo, size_t *key_size)
 static bool crypt(private_openssl_crypter_t *this, chunk_t data, chunk_t iv,
                                  chunk_t *dst, int enc)
 {
+       EVP_CIPHER_CTX *ctx;
        int len;
        u_char *out;
+       bool success = FALSE;
 
        out = data.ptr;
        if (dst)
@@ -102,16 +104,19 @@ static bool crypt(private_openssl_crypter_t *this, chunk_t data, chunk_t iv,
                *dst = chunk_alloc(data.len);
                out = dst->ptr;
        }
-       EVP_CIPHER_CTX ctx;
-       EVP_CIPHER_CTX_init(&ctx);
-       return EVP_CipherInit_ex(&ctx, this->cipher, NULL, NULL, NULL, enc) &&
-                  EVP_CIPHER_CTX_set_padding(&ctx, 0) /* disable padding */ &&
-                  EVP_CIPHER_CTX_set_key_length(&ctx, this->key.len) &&
-                  EVP_CipherInit_ex(&ctx, NULL, NULL, this->key.ptr, iv.ptr, enc) &&
-                  EVP_CipherUpdate(&ctx, out, &len, data.ptr, data.len) &&
-                  /* since padding is disabled this does nothing */
-                  EVP_CipherFinal_ex(&ctx, out + len, &len) &&
-                  EVP_CIPHER_CTX_cleanup(&ctx);
+       ctx = EVP_CIPHER_CTX_new();
+       if (EVP_CipherInit_ex(ctx, this->cipher, NULL, NULL, NULL, enc) &&
+               EVP_CIPHER_CTX_set_padding(ctx, 0) /* disable padding */ &&
+               EVP_CIPHER_CTX_set_key_length(ctx, this->key.len) &&
+               EVP_CipherInit_ex(ctx, NULL, NULL, this->key.ptr, iv.ptr, enc) &&
+               EVP_CipherUpdate(ctx, out, &len, data.ptr, data.len) &&
+               /* since padding is disabled this does nothing */
+               EVP_CipherFinal_ex(ctx, out + len, &len))
+       {
+               success = TRUE;
+       }
+       EVP_CIPHER_CTX_free(ctx);
+       return success;
 }
 
 METHOD(crypter_t, decrypt, bool,
@@ -129,13 +134,13 @@ METHOD(crypter_t, encrypt, bool,
 METHOD(crypter_t, get_block_size, size_t,
        private_openssl_crypter_t *this)
 {
-       return this->cipher->block_size;
+       return EVP_CIPHER_block_size(this->cipher);
 }
 
 METHOD(crypter_t, get_iv_size, size_t,
        private_openssl_crypter_t *this)
 {
-       return this->cipher->iv_len;
+       return EVP_CIPHER_iv_length(this->cipher);
 }
 
 METHOD(crypter_t, get_key_size, size_t,