mirror of
https://github.com/norandom/OpenUltraSAST.git
synced 2026-10-18 20:49:28 +00:00
Marius Ciepluch
0116f9bea6
Harvest 176 isolated vuln-vs-fix functions (109 CVEs, 352 training rows) into benchmarks/pairs/vfc with provenance and a JSONL training manifest. Score the slice as an honesty dashboard (ousast pairs --slice vfc); keep the pair gate on the local fixtures only.
37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
/* Provenance: openssl/openssl sm2_plaintext_size (vuln).
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* repo: openssl/openssl
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* commit: 8c74c9d1ade0fbdab5b815ddb747351b8b839641
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* parent: 8c74c9d1ade0fbdab5b815ddb747351b8b839641
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* commit_url: https://github.com/openssl/openssl/commit/59f5e75f3bced8fc0e130d72a3f582cf7b480b46
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* cve: CVE-2021-3711
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* license: OpenSSL License
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* function: sm2_plaintext_size
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* relpath: crypto/sm2/sm2_crypt.c
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*/
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int sm2_plaintext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len,
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size_t *pt_size)
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{
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const size_t field_size = ec_field_size(EC_KEY_get0_group(key));
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const int md_size = EVP_MD_size(digest);
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size_t overhead;
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if (md_size < 0) {
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SM2err(SM2_F_SM2_PLAINTEXT_SIZE, SM2_R_INVALID_DIGEST);
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return 0;
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}
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if (field_size == 0) {
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SM2err(SM2_F_SM2_PLAINTEXT_SIZE, SM2_R_INVALID_FIELD);
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return 0;
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}
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overhead = 10 + 2 * field_size + (size_t)md_size;
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if (msg_len <= overhead) {
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SM2err(SM2_F_SM2_PLAINTEXT_SIZE, SM2_R_INVALID_ENCODING);
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return 0;
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}
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*pt_size = msg_len - overhead;
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return 1;
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}
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