#define ASCRYPTSTM_EOF ( - 1 ) #define ASCryptStmModeEOF 0x0004 #define ASCryptStmModeRead 0x0001 #define ASCryptStmModeWrite 0x0002 typedef struct _t_ASCryptStmRec *ASCryptStm; ASInt32 ASCryptStmFCloseProc(ASCryptStm stm); stm | The security stream to be closed.
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0 when successful, a non-zero error code otherwise. ASInt32 ASCryptStmFFlushProc(ASCryptStm stm); stm | The security stream to be flushed.
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0 when successful, a non-zero error code otherwise. ASInt32 ASCryptStmFPutEOFProc(ASCryptStm stm); stm | The security stream to receive the EOF.
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0 when successful, a non-zero error code otherwise. ASInt32 ASCryptStmFResetProc(ASCryptStm stm); stm | The security stream to be reset.
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0 when successful, a non-zero error code otherwise. getc when the buffer is empty. It is called only during decryption (when reading from the stream, not when writing). ASInt32 ASCryptStmFilBufProc(ASCryptStm pistm); pistm | The security stream to fill.
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0 when successful, a non-zero error code otherwise. putc when the buffer is full. It is called only during encryption (when writing to the stream, not when reading). ASInt32 ASCryptStmFlsBufProc(ASInt32 ch, ASCryptStm stm); ch | The character being written to the full stream.
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stm | The security stream that is full.
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0 when successful, a non-zero error code otherwise. get operation. It is called only during decryption (when reading from the stream, not when writing). ASInt32 ASCryptStmUnGetcProc(ASInt32 ch, ASCryptStm stm); ch | The character being written to the stream.
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stm | The security stream to which the character is written.
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0 when successful, a non-zero error code otherwise. | |
Called by
getc when the buffer is empty. | |
Called by
putc when the buffer is full. | |
Backs up an input stream.
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Flushes a dirty buffer if necessary.
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Closes a stream.
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Discards any buffered data.
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Puts an EOF marker.
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The number of characters remaining in the buffer.
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char *currentPointer; | The next character to get or put.
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char *basePointer; | The base of the buffer, if any.
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Flag to indicate mode:
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Handlers for security stream access.
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The base ASStm object.
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The number of bytes requested for decryption.
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void *clientData; | A pointer to arbitrary user-defined data.
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