static ossl_inline size_t constant_time_lt_s(size_t a, size_t b)
{
    return constant_time_msb_s(a ^ ((a ^ b) | ((a - b) ^ b)));
}
['int ssl3_enc(SSL *s, SSL3_RECORD *inrecs, size_t n_recs, int send)\n{\n    SSL3_RECORD *rec;\n    EVP_CIPHER_CTX *ds;\n    size_t l, i;\n    size_t bs, mac_size = 0;\n    int imac_size;\n    const EVP_CIPHER *enc;\n    rec = inrecs;\n    if (n_recs != 1)\n        return 0;\n    if (send) {\n        ds = s->enc_write_ctx;\n        if (s->enc_write_ctx == NULL)\n            enc = NULL;\n        else\n            enc = EVP_CIPHER_CTX_cipher(s->enc_write_ctx);\n    } else {\n        ds = s->enc_read_ctx;\n        if (s->enc_read_ctx == NULL)\n            enc = NULL;\n        else\n            enc = EVP_CIPHER_CTX_cipher(s->enc_read_ctx);\n    }\n    if ((s->session == NULL) || (ds == NULL) || (enc == NULL)) {\n        memmove(rec->data, rec->input, rec->length);\n        rec->input = rec->data;\n    } else {\n        l = rec->length;\n        bs = EVP_CIPHER_CTX_block_size(ds);\n        if ((bs != 1) && send) {\n            i = bs - (l % bs);\n            l += i;\n            memset(&rec->input[rec->length], 0, i);\n            rec->length += i;\n            rec->input[l - 1] = (unsigned char)(i - 1);\n        }\n        if (!send) {\n            if (l == 0 || l % bs != 0)\n                return 0;\n        }\n        if (EVP_Cipher(ds, rec->data, rec->input, (unsigned int)l) < 1)\n            return -1;\n        if (EVP_MD_CTX_md(s->read_hash) != NULL) {\n            imac_size = EVP_MD_CTX_size(s->read_hash);\n            if (imac_size < 0)\n                return -1;\n            mac_size = (size_t)imac_size;\n        }\n        if ((bs != 1) && !send)\n            return ssl3_cbc_remove_padding(rec, bs, mac_size);\n    }\n    return (1);\n}', 'int ssl3_cbc_remove_padding(SSL3_RECORD *rec,\n                            size_t block_size, size_t mac_size)\n{\n    size_t padding_length;\n    size_t good;\n    const size_t overhead = 1    + mac_size;\n    if (overhead > rec->length)\n        return 0;\n    padding_length = rec->data[rec->length - 1];\n    good = constant_time_ge_s(rec->length, padding_length + overhead);\n    good &= constant_time_ge_s(block_size, padding_length + 1);\n    rec->length -= good & (padding_length + 1);\n    return constant_time_select_int_s(good, 1, -1);\n}', 'static ossl_inline size_t constant_time_ge_s(size_t a, size_t b)\n{\n    return ~constant_time_lt_s(a, b);\n}', 'static ossl_inline size_t constant_time_lt_s(size_t a, size_t b)\n{\n    return constant_time_msb_s(a ^ ((a ^ b) | ((a - b) ^ b)));\n}']