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Fix SM verification for long messages.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2024-01-02 01:57:55 +01:00
parent a2bc4b6be9
commit b4f71beaf0
1 changed files with 2 additions and 2 deletions
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4
src/eac.c
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@@ -229,7 +229,7 @@ void sm_update_iv() {
}
int sm_verify() {
uint8_t input[1024];
uint8_t input[4096];
memset(input, 0, sizeof(input));
uint16_t input_len = 0;
int r = 0;
@@ -238,7 +238,7 @@ int sm_verify() {
if (data_len % sm_blocksize) {
data_len += sm_blocksize;
}
if (data_len + (add_header ? sm_blocksize : 0) > 1024) {
if (data_len + (add_header ? sm_blocksize : 0) > 4096) {
return CCID_WRONG_LENGTH;
}
mbedtls_mpi ssc;