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Don't directly access key_bitlen

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman
2023-06-24 11:03:04 +01:00
parent 3319ae9679
commit 9282d4f13a
5 changed files with 8 additions and 8 deletions
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4
library/cipher.c
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@ -129,7 +129,7 @@ const mbedtls_cipher_info_t *mbedtls_cipher_info_from_values(
for (def = mbedtls_cipher_definitions; def->info != NULL; def++) {
if (def->info->base->cipher == cipher_id &&
def->info->key_bitlen == (unsigned) key_bitlen &&
mbedtls_cipher_info_get_key_bitlen(def->info) == (unsigned) key_bitlen &&
def->info->mode == mode) {
return def->info;
}
@ -323,7 +323,7 @@ int mbedtls_cipher_setkey(mbedtls_cipher_context_t *ctx,
#endif /* MBEDTLS_USE_PSA_CRYPTO */
if ((ctx->cipher_info->flags & MBEDTLS_CIPHER_VARIABLE_KEY_LEN) == 0 &&
(int) ctx->cipher_info->key_bitlen != key_bitlen) {
(int) mbedtls_cipher_info_get_key_bitlen(ctx->cipher_info) != key_bitlen) {
return MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA;
}

2
library/pkcs12.c
View File

@ -151,7 +151,7 @@ int mbedtls_pkcs12_pbe(mbedtls_asn1_buf *pbe_params, int mode,
return MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE;
}
keylen = cipher_info->key_bitlen / 8;
keylen = mbedtls_cipher_info_get_key_bitlen(cipher_info) / 8;
if ((ret = pkcs12_pbe_derive_key_iv(pbe_params, md_type, pwd, pwdlen,
key, keylen,

2
library/pkcs5.c
View File

@ -176,7 +176,7 @@ int mbedtls_pkcs5_pbes2(const mbedtls_asn1_buf *pbe_params, int mode,
* The value of keylen from pkcs5_parse_pbkdf2_params() is ignored
* since it is optional and we don't know if it was set or not
*/
keylen = cipher_info->key_bitlen / 8;
keylen = mbedtls_cipher_info_get_key_bitlen(cipher_info) / 8;
if (enc_scheme_params.tag != MBEDTLS_ASN1_OCTET_STRING ||
enc_scheme_params.len != cipher_info->iv_size) {