Example program to test AES-GCM functionality. Used for a workshop
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cipher_context_t Struct Reference
Generic cipher context.
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#include <cipher.h >
const cipher_info_t * cipher_info Information about the associated cipher. int key_length Key length to use. operation_t operation Operation that the context's key has been initialised for. void(* add_padding )(unsigned char *output, size_t olen, size_t data_len) Padding functions to use, if relevant for cipher mode. unsigned char unprocessed_data [POLARSSL_MAX_BLOCK_LENGTH] Buffer for data that hasn't been encrypted yet. size_t unprocessed_len Number of bytes that still need processing. unsigned char iv [POLARSSL_MAX_IV_LENGTH] Current IV or NONCE_COUNTER for CTR-mode. size_t iv_size IV size in bytes (for ciphers with variable-length IVs) void * cipher_ctx Cipher-specific context.
Detailed Description
Generic cipher context.
Definition at line 248 of file cipher.h .
Field Documentation
void(* add_padding )(unsigned char *output, size_t olen, size_t data_len)
Padding functions to use, if relevant for cipher mode.
Definition at line 259 of file cipher.h .
Cipher-specific context.
Definition at line 275 of file cipher.h .
Information about the associated cipher.
Definition at line 250 of file cipher.h .
unsigned char iv [POLARSSL_MAX_IV_LENGTH]
Current IV or NONCE_COUNTER for CTR-mode.
Definition at line 269 of file cipher.h .
IV size in bytes (for ciphers with variable-length IVs)
Definition at line 272 of file cipher.h .
Key length to use.
Definition at line 253 of file cipher.h .
Operation that the context's key has been initialised for.
Definition at line 256 of file cipher.h .
Buffer for data that hasn't been encrypted yet.
Definition at line 263 of file cipher.h .
Number of bytes that still need processing.
Definition at line 266 of file cipher.h .
Hannes Tschofenig
1.7.2