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Merge pull request #6190 from daverodgman/invalid-ecdsa-pubkey

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Improve ECDSA verify validation
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Dave Rodgman 2022-10-31 09:37:26 +00:00 • committed by GitHub
commit 1a22bef116
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 106 additions and 3 deletions
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4
include/mbedtls/ecdsa.h
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@ -245,10 +245,8 @@ int mbedtls_ecdsa_sign_det_ext( mbedtls_ecp_group *grp, mbedtls_mpi *r,
* This must be initialized.
*
* \return \c 0 on success.
* \return #MBEDTLS_ERR_ECP_BAD_INPUT_DATA if the signature
* is invalid.
* \return An \c MBEDTLS_ERR_ECP_XXX or \c MBEDTLS_MPI_XXX
* error code on failure for any other reason.
* error code on failure.
*/
int mbedtls_ecdsa_verify( mbedtls_ecp_group *grp,
const unsigned char *buf, size_t blen,