OBJ_FIND_SIGID_ALGS(3)

💅 OBJ_FIND_SIGID_ALGS(3) 💅

okay so bestie, this is the Library Functions Manual page for the signature-algorithm mapping girlies OBJ_find_sigid_algs and OBJ_find_sigid_by_algs. it’s giving “small but mighty lookup functions” and we’re obsessed. ✨

---

🌸 NAME 🌸

• OBJ_find_sigid_algs, OBJ_find_sigid_by_algs — signature algorithm mappings 💖

---

🦋 SYNOPSIS 🦋

#include <openssl/objects.h>

int
OBJ_find_sigid_algs(int signature, int *pdigest, int *pencryption);

int
OBJ_find_sigid_by_algs(int *psignature, int digest, int encryption);

that’s the whole vibe check: include the header, then call one of these two functions. 🫶

---

✨ DESCRIPTION ✨

• OBJ_find_sigid_algs() — looks up the signature algorithm. if it is found, the associated digest algorithm is stored in *pdigest unless pdigest is a NULL pointer, and the associated encryption algorithm is stored in *pencryption unless pencryption is a NULL pointer. lowkey a two-for-one lookup moment 💅
• OBJ_find_sigid_by_algs() — looks up the pair (digest, encryption). if it is found, the associated signature algorithm is stored in *psignature unless psignature is a NULL pointer. cute, efficient, does the thing. 🎀

---

⭐ RETURN VALUES ⭐

• OBJ_find_sigid_algs() — returns 1 if a definition of the signature algorithm is found, or 0 if a definition of the signature algorithm is not built into the library. so: 1 = found it, 0 = not built in. periodt. ✅
• OBJ_find_sigid_by_algs() — returns 1 if a signature algorithm using the specified digest and encryption algorithms is defined, or 0 if the definition of such an algorithm is not built into the library. no cap, that’s the whole return tea. 💖

---

🦋 SEE ALSO 🦋

• EVP_cleanup(3)
• OBJ_create(3)
• OBJ_nid2obj(3)

go peek at these when you’re done slaying here. iykyk 🌈

---

👑 HISTORY 👑

these functions first appeared in OpenSSL 1.0.0 and have been available since OpenBSD 4.9. iconic longevity, honestly. 🧚

---

byeee bestie — this page’s source/version is Debian, dated January 31, 2024. signing off with maximum signature-algorithm-mapping energy. 💖💅🫶