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Diffstat (limited to 'crypto/rsa/rsa_oaep.c')
| -rw-r--r-- | crypto/rsa/rsa_oaep.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/rsa/rsa_oaep.c b/crypto/rsa/rsa_oaep.c index 5068057..0064664 100644 --- a/crypto/rsa/rsa_oaep.c +++ b/crypto/rsa/rsa_oaep.c @@ -77,6 +77,10 @@ int ossl_rsa_padding_add_PKCS1_OAEP_mgf1_ex(OSSL_LIB_CTX *libctx, mgf1md = md; mdlen = EVP_MD_size(md); + if (mdlen <= 0) { + ERR_raise(ERR_LIB_RSA, RSA_R_INVALID_LENGTH); + return 0; + } /* step 2b: check KLen > nLen - 2 HLen - 2 */ if (flen > emlen - 2 * mdlen - 1) { |