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Add cast for MSVC

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman
2023-09-20 20:14:15 +01:00
parent caa942569f
commit 5ea6bb06a7
2 changed files with 4 additions and 4 deletions
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6
library/cipher.c
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@ -759,7 +759,7 @@ static int get_pkcs_padding(unsigned char *input, size_t input_len,
size_t mask = mbedtls_ct_size_mask_ge(i, pad_idx); size_t mask = mbedtls_ct_size_mask_ge(i, pad_idx);
bad |= (input[i] ^ padding_len) & mask; bad |= (input[i] ^ padding_len) & mask;
} }
return -mbedtls_ct_uint_if(bad, -MBEDTLS_ERR_CIPHER_INVALID_PADDING, 0); return -(int) mbedtls_ct_uint_if(bad, -MBEDTLS_ERR_CIPHER_INVALID_PADDING, 0);
} }
#endif /* MBEDTLS_CIPHER_PADDING_PKCS7 */ #endif /* MBEDTLS_CIPHER_PADDING_PKCS7 */
@ -804,7 +804,7 @@ static int get_one_and_zeros_padding(unsigned char *input, size_t input_len,
in_padding = in_padding & ~is_nonzero; in_padding = in_padding & ~is_nonzero;
} }
return -mbedtls_ct_uint_if(bad, -MBEDTLS_ERR_CIPHER_INVALID_PADDING, 0); return -(int) mbedtls_ct_uint_if(bad, -MBEDTLS_ERR_CIPHER_INVALID_PADDING, 0);
} }
#endif /* MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS */ #endif /* MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS */
@ -848,7 +848,7 @@ static int get_zeros_and_len_padding(unsigned char *input, size_t input_len,
bad |= input[i] & mask; bad |= input[i] & mask;
} }
return -mbedtls_ct_uint_if(bad, -MBEDTLS_ERR_CIPHER_INVALID_PADDING, 0); return -(int) mbedtls_ct_uint_if(bad, -MBEDTLS_ERR_CIPHER_INVALID_PADDING, 0);
} }
#endif /* MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN */ #endif /* MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN */

2
library/nist_kw.c
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@ -421,7 +421,7 @@ int mbedtls_nist_kw_unwrap(mbedtls_nist_kw_context *ctx,
* larger than 8, because of the type wrap around. * larger than 8, because of the type wrap around.
*/ */
padlen = in_len - KW_SEMIBLOCK_LENGTH - Plen; padlen = in_len - KW_SEMIBLOCK_LENGTH - Plen;
ret = -mbedtls_ct_uint_if(padlen & ~7, -MBEDTLS_ERR_CIPHER_AUTH_FAILED, -ret); ret = -(int) mbedtls_ct_uint_if(padlen & ~7, -MBEDTLS_ERR_CIPHER_AUTH_FAILED, -ret);
padlen &= 7; padlen &= 7;
/* Check padding in "constant-time" */ /* Check padding in "constant-time" */