static int()

in src/main/native/org/apache/commons/crypto/cipher/OpenSslNative.c [42:127]
84 lines of code
1 McCabe index (conditional complexity)

static int (*dlsym_EVP_CipherInit_ex)(EVP_CIPHER_CTX *, const EVP_CIPHER *,  \
           ENGINE *, const unsigned char *, const unsigned char *, int);
static int (*dlsym_EVP_CipherUpdate)(EVP_CIPHER_CTX *, unsigned char *,  \
           int *, const unsigned char *, int);
static int (*dlsym_EVP_CipherFinal_ex)(EVP_CIPHER_CTX *, unsigned char *, int *);
static EVP_CIPHER * (*dlsym_EVP_aes_256_ctr)(void);
static EVP_CIPHER * (*dlsym_EVP_aes_192_ctr)(void);
static EVP_CIPHER * (*dlsym_EVP_aes_128_ctr)(void);
static EVP_CIPHER * (*dlsym_EVP_aes_256_cbc)(void);
static EVP_CIPHER * (*dlsym_EVP_aes_192_cbc)(void);
static EVP_CIPHER * (*dlsym_EVP_aes_128_cbc)(void);
static EVP_CIPHER * (*dlsym_EVP_aes_256_gcm)(void);
static EVP_CIPHER * (*dlsym_EVP_aes_192_gcm)(void);
static EVP_CIPHER * (*dlsym_EVP_aes_128_gcm)(void);
#endif

#ifdef WINDOWS
typedef unsigned long (__cdecl *__dlsym_OpenSSL_version_num) (void);
static __dlsym_OpenSSL_version_num dlsym_OpenSSL_version_num;
typedef EVP_CIPHER_CTX * (__cdecl *__dlsym_EVP_CIPHER_CTX_new)(void);
typedef void (__cdecl *__dlsym_EVP_CIPHER_CTX_free)(EVP_CIPHER_CTX *);
typedef int (__cdecl *__dlsym_EVP_CIPHER_CTX_set_padding)(EVP_CIPHER_CTX *, int);
typedef int (__cdecl *__dlsym_EVP_CIPHER_CTX_ctrl)(EVP_CIPHER_CTX *, int, int, void *);
typedef int (__cdecl *__dlsym_EVP_CIPHER_CTX_block_size)(EVP_CIPHER_CTX *);
typedef EVP_CIPHER * (__cdecl *__dlsym_EVP_CIPHER_CTX_cipher)(EVP_CIPHER_CTX *);
typedef unsigned long (__cdecl *__dlsym_EVP_CIPHER_flags)(const EVP_CIPHER *);
typedef int (__cdecl *__dlsym_EVP_CIPHER_CTX_test_flags)(const EVP_CIPHER_CTX *, int);
typedef int (__cdecl *__dlsym_EVP_CipherInit_ex)(EVP_CIPHER_CTX *,  \
             const EVP_CIPHER *, ENGINE *, const unsigned char *,  \
             const unsigned char *, int);
typedef int (__cdecl *__dlsym_EVP_CipherUpdate)(EVP_CIPHER_CTX *,  \
             unsigned char *, int *, const unsigned char *, int);
typedef int (__cdecl *__dlsym_EVP_CipherFinal_ex)(EVP_CIPHER_CTX *,  \
             unsigned char *, int *);
typedef EVP_CIPHER * (__cdecl *__dlsym_EVP_aes_256_ctr)(void);
typedef EVP_CIPHER * (__cdecl *__dlsym_EVP_aes_192_ctr)(void);
typedef EVP_CIPHER * (__cdecl *__dlsym_EVP_aes_128_ctr)(void);
typedef EVP_CIPHER * (__cdecl *__dlsym_EVP_aes_256_cbc)(void);
typedef EVP_CIPHER * (__cdecl *__dlsym_EVP_aes_192_cbc)(void);
typedef EVP_CIPHER * (__cdecl *__dlsym_EVP_aes_128_cbc)(void);
typedef EVP_CIPHER * (__cdecl *__dlsym_EVP_aes_256_gcm)(void);
typedef EVP_CIPHER * (__cdecl *__dlsym_EVP_aes_192_gcm)(void);
typedef EVP_CIPHER * (__cdecl *__dlsym_EVP_aes_128_gcm)(void);
static __dlsym_EVP_CIPHER_CTX_new dlsym_EVP_CIPHER_CTX_new;
static __dlsym_EVP_CIPHER_CTX_free dlsym_EVP_CIPHER_CTX_free;
static __dlsym_EVP_CIPHER_CTX_set_padding dlsym_EVP_CIPHER_CTX_set_padding;
static __dlsym_EVP_CIPHER_CTX_ctrl dlsym_EVP_CIPHER_CTX_ctrl;
static __dlsym_EVP_CIPHER_CTX_block_size dlsym_EVP_CIPHER_CTX_block_size;
static __dlsym_EVP_CIPHER_CTX_cipher dlsym_EVP_CIPHER_CTX_cipher;
static __dlsym_EVP_CIPHER_flags dlsym_EVP_CIPHER_flags;
static __dlsym_EVP_CIPHER_CTX_test_flags dlsym_EVP_CIPHER_CTX_test_flags;
static __dlsym_EVP_CipherInit_ex dlsym_EVP_CipherInit_ex;
static __dlsym_EVP_CipherUpdate dlsym_EVP_CipherUpdate;
static __dlsym_EVP_CipherFinal_ex dlsym_EVP_CipherFinal_ex;
static __dlsym_EVP_aes_256_ctr dlsym_EVP_aes_256_ctr;
static __dlsym_EVP_aes_192_ctr dlsym_EVP_aes_192_ctr;
static __dlsym_EVP_aes_128_ctr dlsym_EVP_aes_128_ctr;
static __dlsym_EVP_aes_256_cbc dlsym_EVP_aes_256_cbc;
static __dlsym_EVP_aes_192_cbc dlsym_EVP_aes_192_cbc;
static __dlsym_EVP_aes_128_cbc dlsym_EVP_aes_128_cbc;
static __dlsym_EVP_aes_256_gcm dlsym_EVP_aes_256_gcm;
static __dlsym_EVP_aes_192_gcm dlsym_EVP_aes_192_gcm;
static __dlsym_EVP_aes_128_gcm dlsym_EVP_aes_128_gcm;
#endif

static void loadAes(JNIEnv *env, HMODULE openssl)
{
  LOAD_DYNAMIC_SYMBOL(__dlsym_EVP_aes_256_ctr, dlsym_EVP_aes_256_ctr,  \
                      env, openssl, "EVP_aes_256_ctr");
  LOAD_DYNAMIC_SYMBOL(__dlsym_EVP_aes_192_ctr, dlsym_EVP_aes_192_ctr,  \
                      env, openssl, "EVP_aes_192_ctr");
  LOAD_DYNAMIC_SYMBOL(__dlsym_EVP_aes_128_ctr, dlsym_EVP_aes_128_ctr,  \
                      env, openssl, "EVP_aes_128_ctr");
  LOAD_DYNAMIC_SYMBOL(__dlsym_EVP_aes_256_cbc, dlsym_EVP_aes_256_cbc,  \
                      env, openssl, "EVP_aes_256_cbc");
  LOAD_DYNAMIC_SYMBOL(__dlsym_EVP_aes_192_cbc, dlsym_EVP_aes_192_cbc,  \
                      env, openssl, "EVP_aes_192_cbc");
  LOAD_DYNAMIC_SYMBOL(__dlsym_EVP_aes_128_cbc, dlsym_EVP_aes_128_cbc,  \
                      env, openssl, "EVP_aes_128_cbc");
  LOAD_DYNAMIC_SYMBOL(__dlsym_EVP_aes_256_gcm, dlsym_EVP_aes_256_gcm,  \
                      env, openssl, "EVP_aes_256_gcm");
  LOAD_DYNAMIC_SYMBOL(__dlsym_EVP_aes_192_gcm, dlsym_EVP_aes_192_gcm,  \
                      env, openssl, "EVP_aes_192_gcm");
  LOAD_DYNAMIC_SYMBOL(__dlsym_EVP_aes_128_gcm, dlsym_EVP_aes_128_gcm,  \
                      env, openssl, "EVP_aes_128_gcm");
}