Class: CoBreak::OpenSSL::SHA3_256

Inherits:

Object

• Object
• CoBreak::OpenSSL::SHA3_256

Defined in:

ext/cobreak/cobreak_openssl.c

Class Method Summary

• .hexdigest(input) ⇒ Object

Class Method Details

.hexdigest(input) ⇒ Object

# File 'ext/cobreak/cobreak_openssl.c', line 260

VALUE sha3_256_hexdigest(VALUE self, VALUE input) {

    // Asegúrate de que el input es una cadena

    Check_Type(input, T_STRING);


    // Crear un contexto para el hash

    EVP_MD_CTX *ctx = EVP_MD_CTX_new();

    const EVP_MD *md = EVP_sha3_256();

    

    // Inicializar el contexto y calcular el hash

    EVP_DigestInit_ex(ctx, md, NULL);

    EVP_DigestUpdate(ctx, (unsigned char *)StringValueCStr(input), RSTRING_LEN(input));

    

    unsigned char output[EVP_MAX_MD_SIZE];

    unsigned int output_len;


    EVP_DigestFinal_ex(ctx, output, &output_len);

    EVP_MD_CTX_free(ctx);
    // Convertir el hash a una cadena hexadecimal

    VALUE hex_string = rb_str_new("", 0);

    for (unsigned int i = 0; i < output_len; i++) {

        rb_str_catf(hex_string, "%02x", output[i]);

    }
    return hex_string;
}