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Add label_len argument to non-PSA tls_prf_generic

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Signed-off-by: Max Fillinger <maximilian.fillinger@foxcrypto.com>
This commit is contained in:
Max Fillinger
2025-04-15 21:18:20 +02:00
parent 820e5cc29b
commit 40c202461f
1 changed files with 3 additions and 3 deletions
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6
library/ssl_tls.c
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@ -6849,7 +6849,7 @@ static int tls_prf_generic(mbedtls_md_type_t md_type,
MBEDTLS_CHECK_RETURN_CRITICAL MBEDTLS_CHECK_RETURN_CRITICAL
static int tls_prf_generic(mbedtls_md_type_t md_type, static int tls_prf_generic(mbedtls_md_type_t md_type,
const unsigned char *secret, size_t slen, const unsigned char *secret, size_t slen,
const char *label, const char *label, size_t label_len,
const unsigned char *random, size_t rlen, const unsigned char *random, size_t rlen,
unsigned char *dstbuf, size_t dlen) unsigned char *dstbuf, size_t dlen)
{ {
@ -6870,14 +6870,14 @@ static int tls_prf_generic(mbedtls_md_type_t md_type,
md_len = mbedtls_md_get_size(md_info); md_len = mbedtls_md_get_size(md_info);
tmp_len = md_len + strlen(label) + rlen; tmp_len = md_len + label_len + rlen;
tmp = mbedtls_calloc(1, tmp_len); tmp = mbedtls_calloc(1, tmp_len);
if (tmp == NULL) { if (tmp == NULL) {
ret = MBEDTLS_ERR_SSL_ALLOC_FAILED; ret = MBEDTLS_ERR_SSL_ALLOC_FAILED;
goto exit; goto exit;
} }
nb = strlen(label); nb = label_len;
memcpy(tmp + md_len, label, nb); memcpy(tmp + md_len, label, nb);
memcpy(tmp + md_len + nb, random, rlen); memcpy(tmp + md_len + nb, random, rlen);
nb += rlen; nb += rlen;