diff options
Diffstat (limited to 'thirdparty/openssl/crypto/evp/pmeth_fn.c')
-rw-r--r-- | thirdparty/openssl/crypto/evp/pmeth_fn.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/thirdparty/openssl/crypto/evp/pmeth_fn.c b/thirdparty/openssl/crypto/evp/pmeth_fn.c index a8b7f2f6d5..727869e3ee 100644 --- a/thirdparty/openssl/crypto/evp/pmeth_fn.c +++ b/thirdparty/openssl/crypto/evp/pmeth_fn.c @@ -65,20 +65,22 @@ #include "evp_locl.h" #define M_check_autoarg(ctx, arg, arglen, err) \ - if (ctx->pmeth->flags & EVP_PKEY_FLAG_AUTOARGLEN) \ - { \ - size_t pksize = (size_t)EVP_PKEY_size(ctx->pkey); \ - if (!arg) \ - { \ - *arglen = pksize; \ - return 1; \ - } \ - else if (*arglen < pksize) \ - { \ - EVPerr(err, EVP_R_BUFFER_TOO_SMALL); /*ckerr_ignore*/\ - return 0; \ - } \ - } + if (ctx->pmeth->flags & EVP_PKEY_FLAG_AUTOARGLEN) { \ + size_t pksize = (size_t)EVP_PKEY_size(ctx->pkey); \ + \ + if (pksize == 0) { \ + EVPerr(err, EVP_R_INVALID_KEY); /*ckerr_ignore*/ \ + return 0; \ + } \ + if (!arg) { \ + *arglen = pksize; \ + return 1; \ + } \ + if (*arglen < pksize) { \ + EVPerr(err, EVP_R_BUFFER_TOO_SMALL); /*ckerr_ignore*/ \ + return 0; \ + } \ + } int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx) { |