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If oaep_md is not initialized, correctly initialize it

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Fixes #20993

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20994)
This commit is contained in:
Dmitry Belyavskiy 2023-05-18 15:38:56 +02:00 committed by Tomas Mraz
parent ab17dd8fa3
commit c5aa719502
1 changed files with 5 additions and 3 deletions
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8
providers/implementations/asymciphers/rsa_enc.c
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@ -162,10 +162,12 @@ static int rsa_encrypt(void *vprsactx, unsigned char *out, size_t *outlen,
if ((tbuf = OPENSSL_malloc(rsasize)) == NULL)
return 0;
if (prsactx->oaep_md == NULL) {
OPENSSL_free(tbuf);
prsactx->oaep_md = EVP_MD_fetch(prsactx->libctx, "SHA-1", NULL);
ERR_raise(ERR_LIB_PROV, ERR_R_INTERNAL_ERROR);
return 0;
if (prsactx->oaep_md == NULL) {
OPENSSL_free(tbuf);
ERR_raise(ERR_LIB_PROV, ERR_R_INTERNAL_ERROR);
return 0;
}
}
ret =
ossl_rsa_padding_add_PKCS1_OAEP_mgf1_ex(prsactx->libctx, tbuf,