61 #if !defined(MBEDTLS_CONFIG_FILE) 64 #include MBEDTLS_CONFIG_FILE 71 #define MBEDTLS_GCM_ENCRYPT 1 72 #define MBEDTLS_GCM_DECRYPT 0 74 #define MBEDTLS_ERR_GCM_AUTH_FAILED -0x0012 77 #define MBEDTLS_ERR_GCM_HW_ACCEL_FAILED -0x0013 79 #define MBEDTLS_ERR_GCM_BAD_INPUT -0x0014 85 #if !defined(MBEDTLS_GCM_ALT) 99 unsigned char buf[16];
141 const unsigned char *
key,
142 unsigned int keybits );
198 const unsigned char *iv,
200 const unsigned char *add,
202 const unsigned char *
input,
205 unsigned char *
tag );
242 const unsigned char *iv,
244 const unsigned char *add,
246 const unsigned char *
tag,
248 const unsigned char *
input,
270 const unsigned char *iv,
272 const unsigned char *add,
302 const unsigned char *
input,
334 #if defined(MBEDTLS_SELF_TEST) 342 int mbedtls_gcm_self_test(
int verbose );
void mbedtls_gcm_init(mbedtls_gcm_context *ctx)
This function initializes the specified GCM context, to make references valid, and prepares the conte...
static UCHAR ULONG UCHAR ULONG UCHAR * output
int mbedtls_gcm_starts(mbedtls_gcm_context *ctx, int mode, const unsigned char *iv, size_t iv_len, const unsigned char *add, size_t add_len)
This function starts a GCM encryption or decryption operation.
void mbedtls_gcm_free(mbedtls_gcm_context *ctx)
This function clears a GCM context and the underlying cipher sub-context.
The GCM context structure.
mbedtls_cipher_context_t cipher_ctx
int mbedtls_gcm_update(mbedtls_gcm_context *ctx, size_t length, const unsigned char *input, unsigned char *output)
This function feeds an input buffer into an ongoing GCM encryption or decryption operation.
GLenum GLuint GLenum GLsizei const GLchar * buf
struct mbedtls_gcm_context mbedtls_gcm_context
The GCM context structure.
GLenum GLuint GLenum GLsizei length
mbedtls_cipher_id_t
Supported cipher types.
This file contains an abstraction interface for use with the cipher primitives provided by the librar...
unsigned char base_ectr[16]
GLenum GLenum GLenum input
GLint GLint GLint GLint GLint GLint y
int mbedtls_gcm_setkey(mbedtls_gcm_context *ctx, mbedtls_cipher_id_t cipher, const unsigned char *key, unsigned int keybits)
This function associates a GCM context with a cipher algorithm and a key.
int mbedtls_gcm_finish(mbedtls_gcm_context *ctx, unsigned char *tag, size_t tag_len)
This function finishes the GCM operation and generates the authentication tag.
int mbedtls_gcm_auth_decrypt(mbedtls_gcm_context *ctx, size_t length, const unsigned char *iv, size_t iv_len, const unsigned char *add, size_t add_len, const unsigned char *tag, size_t tag_len, const unsigned char *input, unsigned char *output)
This function performs a GCM authenticated decryption of a buffer.
int mbedtls_gcm_crypt_and_tag(mbedtls_gcm_context *ctx, int mode, size_t length, const unsigned char *iv, size_t iv_len, const unsigned char *add, size_t add_len, const unsigned char *input, unsigned char *output, size_t tag_len, unsigned char *tag)
This function performs GCM encryption or decryption of a buffer.