On 08/12/2025 22.32, Zhuoying Cai wrote:
Introduce helper functions to support signature verification required by
DIAG 508 subcode 1:
qcrypto_pkcs7_convert_sig_pem() – converts a signature from DER to PEM format
qcrypto_x509_verify_sig() – verifies the provided data against the given
signature
These functions enable basic signature verification support.
Signed-off-by: Zhuoying Cai <[email protected]>
---
crypto/x509-utils.c | 108 ++++++++++++++++++++++++++++++++++++
include/crypto/x509-utils.h | 41 ++++++++++++++
2 files changed, 149 insertions(+)
Reviewed-by: Thomas Huth <[email protected]>