62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/**
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* \file base64.h
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*/
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#ifndef POLARSSL_BASE64_H
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#define POLARSSL_BASE64_H
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#define POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL -0x0010
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#define POLARSSL_ERR_BASE64_INVALID_CHARACTER -0x0012
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief Encode a buffer into base64 format
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*
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* \param dst destination buffer
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* \param dlen size of the buffer
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* \param src source buffer
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* \param slen amount of data to be encoded
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*
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* \return 0 if successful, or POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL.
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* *dlen is always updated to reflect the amount
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* of data that has (or would have) been written.
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*
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* \note Call this function with *dlen = 0 to obtain the
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* required buffer size in *dlen
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*/
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int base64_encode( unsigned char *dst, int *dlen,
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unsigned char *src, int slen );
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/**
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* \brief Decode a base64-formatted buffer
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*
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* \param dst destination buffer
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* \param dlen size of the buffer
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* \param src source buffer
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* \param slen amount of data to be decoded
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*
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* \return 0 if successful, POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL, or
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* POLARSSL_ERR_BASE64_INVALID_DATA if the input data is not
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* correct. *dlen is always updated to reflect the amount
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* of data that has (or would have) been written.
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*
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* \note Call this function with *dlen = 0 to obtain the
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* required buffer size in *dlen
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*/
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int base64_decode( unsigned char *dst, int *dlen,
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unsigned char *src, int slen );
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/**
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* \brief Checkup routine
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*
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* \return 0 if successful, or 1 if the test failed
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*/
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int base64_self_test( int verbose );
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#ifdef __cplusplus
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}
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#endif
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#endif /* base64.h */
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