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Add Character byte reading macros

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These cast to an unsigned char rather than a uint8_t
like with MBEDTLS_BYTE_x
These save alot of space and will improve maintence by
replacing the appropriate code with MBEDTLS_CHAR_x

Signed-off-by: Joe Subbiani <joe.subbiani@arm.com>
This commit is contained in:
Joe Subbiani
2021-07-08 14:59:52 +01:00
parent 9231d5f919
commit 6b897c930c
12 changed files with 326 additions and 329 deletions
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18
library/asn1write.c
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@@ -60,8 +60,8 @@ int mbedtls_asn1_write_len( unsigned char **p, unsigned char *start, size_t len
if( *p - start < 3 )
return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
*--(*p) = ( len ) & 0xFF;
*--(*p) = ( len >> 8 ) & 0xFF;
*--(*p) = MBEDTLS_CHAR_0( len );
*--(*p) = MBEDTLS_CHAR_1( len );
*--(*p) = 0x82;
return( 3 );
}
@@ -71,9 +71,9 @@ int mbedtls_asn1_write_len( unsigned char **p, unsigned char *start, size_t len
if( *p - start < 4 )
return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
*--(*p) = ( len ) & 0xFF;
*--(*p) = ( len >> 8 ) & 0xFF;
*--(*p) = ( len >> 16 ) & 0xFF;
*--(*p) = MBEDTLS_CHAR_0( len );
*--(*p) = MBEDTLS_CHAR_1( len );
*--(*p) = MBEDTLS_CHAR_2( len );
*--(*p) = 0x83;
return( 4 );
}
@@ -85,10 +85,10 @@ int mbedtls_asn1_write_len( unsigned char **p, unsigned char *start, size_t len
if( *p - start < 5 )
return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
*--(*p) = ( len ) & 0xFF;
*--(*p) = ( len >> 8 ) & 0xFF;
*--(*p) = ( len >> 16 ) & 0xFF;
*--(*p) = ( len >> 24 ) & 0xFF;
*--(*p) = MBEDTLS_CHAR_0( len );
*--(*p) = MBEDTLS_CHAR_1( len );
*--(*p) = MBEDTLS_CHAR_2( len );
*--(*p) = MBEDTLS_CHAR_3( len );
*--(*p) = 0x84;
return( 5 );
}