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Add documentation for the functions

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Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
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Gabor Mezei
2021-11-24 16:26:33 +01:00
parent 14d5fac11d
commit a09697527b
3 changed files with 30 additions and 17 deletions
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21
library/constant_time_internal.h
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@@ -169,8 +169,29 @@ void mbedtls_ct_mpi_uint_cond_assign( size_t n,
#if defined(MBEDTLS_BASE64_C)
/** Given a value in the range 0..63, return the corresponding Base64 digit.
*
* The implementation assumes that letters are consecutive (e.g. ASCII
* but not EBCDIC).
*
* \param value A value in the range 0..63.
*
* \return A base64 digit converted from \p value.
*/
unsigned char mbedtls_ct_base64_enc_char( unsigned char value );
/** Given a Base64 digit, return its value.
*
* If c is not a Base64 digit ('A'..'Z', 'a'..'z', '0'..'9', '+' or '/'),
* return -1.
*
* The implementation assumes that letters are consecutive (e.g. ASCII
* but not EBCDIC).
*
* \param c A base64 digit.
*
* \return The value of the base64 digit \p c.
*/
signed char mbedtls_ct_base64_dec_value( unsigned char c );
#endif /* MBEDTLS_BASE64_C */