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pkcs7: Use end_issuer_and_sn where appropriate

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There were some areas where `end_signer` were being
used when it makes more sense to use `end_issuer_and_sn`,
as pointed out by demiobenour@gmail.com.

Signed-off-by: Nick Child <nick.child@ibm.com>
This commit is contained in:
Nick Child 2023-01-31 20:42:26 +00:00
parent a0c15d0fec
commit 3bd17f2f58
1 changed files with 2 additions and 2 deletions
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4
library/pkcs7.c
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@ -317,7 +317,7 @@ static int pkcs7_get_signer_info(unsigned char **p, unsigned char *end,
/* Parsing IssuerAndSerialNumber */ /* Parsing IssuerAndSerialNumber */
signer->issuer_raw.p = *p; signer->issuer_raw.p = *p;
asn1_ret = mbedtls_asn1_get_tag(p, end_signer, &len, asn1_ret = mbedtls_asn1_get_tag(p, end_issuer_and_sn, &len,
MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE); MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE);
if (asn1_ret != 0) { if (asn1_ret != 0) {
goto out; goto out;
@ -330,7 +330,7 @@ static int pkcs7_get_signer_info(unsigned char **p, unsigned char *end,
signer->issuer_raw.len = *p - signer->issuer_raw.p; signer->issuer_raw.len = *p - signer->issuer_raw.p;
ret = mbedtls_x509_get_serial(p, end_signer, &signer->serial); ret = mbedtls_x509_get_serial(p, end_issuer_and_sn, &signer->serial);
if (ret != 0) { if (ret != 0) {
goto out; goto out;
} }