int HMAC_Init_ex()

in source/evp_override.c [962:972]


int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len, const EVP_MD *md, ENGINE *impl) {
    assert(hmac_ctx_is_valid(ctx));
    if (md != NULL) {
        if (key != NULL) {
            ctx->md = md;
        }
    }
    int rv;
    __CPROVER_assume(rv == 1 || rv == 0);
    return rv;
}